Linux

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.

fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity.

arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.

In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

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 vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.

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.

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

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.

NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handlers for all control calls with embedded parameters where dereferencing an. 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.

NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape where an out of bounds array access may lead to denial of. Rated medium severity (CVSS 6.1), 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.

NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for control calls where the software reads or writes to a buffer by using an. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free. Rated medium severity (CVSS 6.4), this vulnerability is no authentication required.

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.

Trusty trusted Linux kernel (TLK) contains a vulnerability in the NVIDIA TLK kernel where a lack of heap hardening could cause heap overflows, which might lead to information disclosure and denial of. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. No vendor patch available.

Guest triggered use-after-free in Linux xen-netback A malicious or buggy network PV frontend can force Linux netback to disable the interface and terminate the receive kernel thread associated with. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory. Rated medium severity (CVSS 4.7). Public exploit code available.

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.

net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch 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 ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

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.

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.11.15. Rated high severity (CVSS 7.0).

A flaw was found in the Nosy driver 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.

In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

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.

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.

A flaw was found in the Linux kernel in versions before 5.12. Rated high severity (CVSS 7.1), 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.

The PowerVR GPU kernel driver in pvrsrvkm.ko through 2021-04-24 for the Linux kernel, as used on Alcatel 1S phones, allows attackers to overwrite heap memory via PhysmemNewRamBackedPMR. Rated high severity (CVSS 7.0). Public exploit code available and no vendor patch available.

A race condition in Linux kernel SCTP sockets (net/sctp/socket.c) before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. Rated high severity (CVSS 7.0). Public exploit code available.

NVIDIA GPU Display Driver for Windows and Linux, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys or nvidia.ko) where improper access control may lead to denial 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 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.

An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. Rated high severity (CVSS 7.1), 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.

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring during copy_from_user() correctly. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.

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.

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 X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required.

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 drivers/pci/hotplug/rpadlpar_sysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

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 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 high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

An issue was discovered in the Linux kernel through 5.11.3. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available.

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.

NVIDIA GPU Display Driver for Linux, all versions, contains a vulnerability in the kernel mode layer (nvidia.ko) in which it does not completely honor operating system file system permissions to. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. No vendor patch available.