Linux Kernel

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 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 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 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.

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.

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. Rated low severity (CVSS 3.6). Public exploit code available.

An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. Public exploit code available.

An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. Rated medium severity (CVSS 4.7). Public exploit code available.

An issue was discovered in romfs_dev_read in fs/romfs/storage.c in the Linux kernel before 5.8.4. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. Public exploit code available.

An issue was discovered in kmem_cache_alloc_bulk in mm/slub.c in the Linux kernel before 5.5.11. Rated high severity (CVSS 7.0). Public exploit code available.

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. Rated high severity (CVSS 7.0). Public exploit code available.

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. Rated high severity (CVSS 7.0). Public exploit code available.

The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Improper access control in BlueZ may allow an unauthenticated user to potentially enable information disclosure via adjacent access. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. Rated medium severity (CVSS 5.0), this vulnerability is low attack complexity. Public exploit code available.

An issue was discovered in drivers/accessibility/speakup/spk_ttyio.c in the Linux kernel through 5.9.9. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def. Rated medium severity (CVSS 5.8), 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.

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.

An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Rated medium severity (CVSS 4.7).

An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

An issue was discovered in the Linux kernel before 5.8.15. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A flaw was found in the Linux kernel in versions before 5.9-rc7. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.

A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Incorrect Default Permissions vulnerability could allow attackers to access resources due to overly permissive default settings.

A flaw was found in the Linux kernel in versions before 5.9-rc6. Rated medium severity (CVSS 5.6), this vulnerability is low attack complexity. No vendor patch available.

A flaw was found in the Linux kernel before 5.9-rc4. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

A flaw was found in the Linux Kernel before 5.8-rc6 in the ZRAM kernel module, where a user with a local account and the ability to read the /sys/class/zram-control/hot_add file can create ZRAM. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function, where it can be used to enable indirect branch speculation after it has been disabled. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB (Indirect Branch Prediction Barrier). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A logic bug flaw was found in Linux kernel before 5.8-rc1 in the implementation of SSBD. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A flaw was found in the Linux kernel before 5.9-rc4. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A memory disclosure flaw was found in the Linux kernel's ethernet drivers, in the way it read data from the EEPROM of the device. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.

A flaw was found in the Linux kernel’s implementation of the invert video code on VGA consoles when a local attacker attempts to resize the console, calling an ioctl VT_RESIZE, which causes an. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. Public exploit code available.

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly. Rated medium severity (CVSS 6.4).

The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map. Rated medium severity (CVSS 4.1). This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity.

get_gate_page in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting (caused by gate page mishandling) of the struct page. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

The Linux kernel 4.9.x before 4.9.233, 4.14.x before 4.14.194, and 4.19.x before 4.19.140 has a use-after-free because skcd->no_refcnt was not considered during a backport of a CVE-2020-14356 patch. 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 TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in. Rated high severity (CVSS 7.0).

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

A flaw was found in the Linux kernel's implementation of GRO in versions before 5.2. Rated medium severity (CVSS 5.5), 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 null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.