Linux Kernel
Monthly
The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the Linux kernel. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity.
arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the Linux kernel netfilter implementation in versions prior to 5.5-rc7. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call. Rated medium severity (CVSS 6.4). Public exploit code available.
net/netfilter/nf_conntrack_standalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all other net namespaces. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.
drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kernel before 5.12.13 allows remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.
net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13, on systems with perf_event_paranoid=-1 and no specific PMU driver support registered, allows local users to cause a denial of. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.
In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. Public exploit code available.
fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available.
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
The io_uring subsystem in the Linux kernel allowed the MAX_RW_COUNT limit to be bypassed in the PROVIDE_BUFFERS operation, which led to negative values being usedin mem_rw when reading. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.
The eBPF RINGBUF bpf_ringbuf_reserve() function in the Linux kernel did not check that the allocated size was smaller than the ringbuf size, allowing an attacker to perform out-of-bounds writes. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
There is a flaw reported in the Linux kernel in versions before 5.9 in drivers/gpu/drm/nouveau/nouveau_sgdma.c in nouveau_sgdma_create_ttm in Nouveau DRM subsystem. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
kernel/bpf/verifier.c in the Linux kernel through 5.12.7 enforces incorrect limits for pointer arithmetic operations, aka CID-bb01a1bba579. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
A flaw was found in the Linux kernel's implementation of string matching within a packet. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. Rated high severity (CVSS 8.7). Public exploit code available and no vendor patch available.
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.11.15. Rated high severity (CVSS 7.0).
In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
An issue was discovered in the Linux kernel 5.8.9. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required.
The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the A-MSDU flag in the plaintext QoS header field is. Rated low severity (CVSS 3.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller. Rated high severity (CVSS 7.0). Public exploit code available.
An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel before 5.12. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.
An issue was discovered in the Linux kernel through 5.11.x. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Command Injection vulnerability could allow attackers to inject arbitrary commands into system command execution.
An issue was discovered in the Linux kernel through 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.
The fix for XSA-365 includes initialization of pointers such that subsequent cleanup code wouldn't use uninitialized or stale values. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.9. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
An issue was discovered in the Linux kernel before 5.11.7. Rated medium severity (CVSS 4.7).
An issue was discovered in the Linux kernel through 5.11.10. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
The bpf verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. Rated medium severity (CVSS 4.7). No vendor patch available.
An issue was discovered in the Linux kernel through 5.11.8. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
rtw_wx_set_scan in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c in the Linux kernel through 5.11.6 allows writing beyond the end of the ->ssid[] array. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
An issue was discovered in the Linux kernel through 5.11.6. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.
A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. Rated medium severity (CVSS 6.4).
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
A flaw was found in the Linux kernel in versions prior to 5.10. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel through 5.11.3. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. Public exploit code available.
An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel through 5.11.3, as used with Xen PV. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
There is a vulnerability in the linux kernel versions higher than 5.2 (if kernel compiled with config params CONFIG_BPF_SYSCALL=y , CONFIG_BPF=y , CONFIG_CGROUPS=y , CONFIG_CGROUP_BPF=y ,. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
An issue was discovered in the Linux kernel 4.18 through 5.10.16, as used by Xen. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel 3.2 through 5.10.16, as used by Xen. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel 2.6.39 through 5.10.16, as used in Xen. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
An issue was discovered in the Linux kernel 3.11 through 5.10.16, as used by Xen. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A local privilege escalation was discovered in the Linux kernel before 5.10.13. Rated high severity (CVSS 7.0).
nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O. Rated high severity (CVSS 7.0).
An issue was discovered in the Linux kernel through 5.10.11. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Path Traversal vulnerability could allow attackers to access files and directories outside the intended path.
An issue was discovered in the Linux kernel through 5.10.1, as used with Xen through 4.14.x. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available.
A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). Rated medium severity (CVSS 5.7).
A flaw was found in the Linux kernel’s implementation of MIDI, where an attacker with a local account and the permissions to issue ioctl commands to midi devices could trigger a use-after-free issue. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. Public exploit code available.
An issue was discovered in the Linux kernel before 5.9.3. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the Linux kernel’s futex implementation. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw was found in the Linux kernel. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
A flaw was found in the Linux kernel. Rated medium severity (CVSS 4.1). Public exploit code available.
An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.
The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the Linux kernel. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity.
arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the Linux kernel netfilter implementation in versions prior to 5.5-rc7. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call. Rated medium severity (CVSS 6.4). Public exploit code available.
net/netfilter/nf_conntrack_standalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all other net namespaces. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.
drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kernel before 5.12.13 allows remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.
net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13, on systems with perf_event_paranoid=-1 and no specific PMU driver support registered, allows local users to cause a denial of. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.
In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. Public exploit code available.
fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available.
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
The io_uring subsystem in the Linux kernel allowed the MAX_RW_COUNT limit to be bypassed in the PROVIDE_BUFFERS operation, which led to negative values being usedin mem_rw when reading. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.
The eBPF RINGBUF bpf_ringbuf_reserve() function in the Linux kernel did not check that the allocated size was smaller than the ringbuf size, allowing an attacker to perform out-of-bounds writes. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
There is a flaw reported in the Linux kernel in versions before 5.9 in drivers/gpu/drm/nouveau/nouveau_sgdma.c in nouveau_sgdma_create_ttm in Nouveau DRM subsystem. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
kernel/bpf/verifier.c in the Linux kernel through 5.12.7 enforces incorrect limits for pointer arithmetic operations, aka CID-bb01a1bba579. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
A flaw was found in the Linux kernel's implementation of string matching within a packet. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. Rated high severity (CVSS 8.7). Public exploit code available and no vendor patch available.
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.11.15. Rated high severity (CVSS 7.0).
In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
An issue was discovered in the Linux kernel 5.8.9. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required.
The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the A-MSDU flag in the plaintext QoS header field is. Rated low severity (CVSS 3.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller. Rated high severity (CVSS 7.0). Public exploit code available.
An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel before 5.12. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.
An issue was discovered in the Linux kernel through 5.11.x. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Command Injection vulnerability could allow attackers to inject arbitrary commands into system command execution.
An issue was discovered in the Linux kernel through 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.
The fix for XSA-365 includes initialization of pointers such that subsequent cleanup code wouldn't use uninitialized or stale values. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel before 5.11.9. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
An issue was discovered in the Linux kernel before 5.11.7. Rated medium severity (CVSS 4.7).
An issue was discovered in the Linux kernel through 5.11.10. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
The bpf verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. Rated medium severity (CVSS 4.7). No vendor patch available.
An issue was discovered in the Linux kernel through 5.11.8. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
rtw_wx_set_scan in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c in the Linux kernel through 5.11.6 allows writing beyond the end of the ->ssid[] array. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
An issue was discovered in the Linux kernel through 5.11.6. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.
A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. Rated medium severity (CVSS 6.4).
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
A flaw was found in the Linux kernel in versions prior to 5.10. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel through 5.11.3. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. Public exploit code available.
An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel through 5.11.3, as used with Xen PV. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
There is a vulnerability in the linux kernel versions higher than 5.2 (if kernel compiled with config params CONFIG_BPF_SYSCALL=y , CONFIG_BPF=y , CONFIG_CGROUPS=y , CONFIG_CGROUP_BPF=y ,. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
An issue was discovered in the Linux kernel 4.18 through 5.10.16, as used by Xen. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel 3.2 through 5.10.16, as used by Xen. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An issue was discovered in the Linux kernel 2.6.39 through 5.10.16, as used in Xen. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
An issue was discovered in the Linux kernel 3.11 through 5.10.16, as used by Xen. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A local privilege escalation was discovered in the Linux kernel before 5.10.13. Rated high severity (CVSS 7.0).
nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O. Rated high severity (CVSS 7.0).
An issue was discovered in the Linux kernel through 5.10.11. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Path Traversal vulnerability could allow attackers to access files and directories outside the intended path.
An issue was discovered in the Linux kernel through 5.10.1, as used with Xen through 4.14.x. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available.
A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). Rated medium severity (CVSS 5.7).
A flaw was found in the Linux kernel’s implementation of MIDI, where an attacker with a local account and the permissions to issue ioctl commands to midi devices could trigger a use-after-free issue. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. Public exploit code available.
An issue was discovered in the Linux kernel before 5.9.3. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the Linux kernel’s futex implementation. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw was found in the Linux kernel. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
A flaw was found in the Linux kernel. Rated medium severity (CVSS 4.1). Public exploit code available.
An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.