CVE-2016-8655

CVE-2016-8655 describes a race condition in the Linux kernel AF_PACKET path (net/packet/af_packet.c) that, up to version 4.8.12, could allow a local user with CAP_NET_RAW to change a socket version via packet_set_ring/packet_setsockopt, leading to use-after-free, privilege escalation or DoS. Conn...

CVE-2017-9076

CVE-2017-9076 is a Linux kernel issue reported in the CentOS/Red Hat advisory set (CESA-2018:1854) tied to the IPv6 DCCP implementation. The vulnerability arises from mishandling of inheritance in the IPv6 DCCP code, allowing a local attacker to cause a denial of service or possibly other unspeci...

CVE-2018-14625

The CVE-2018-14625 entry describes a Linux kernel vulnerability in the vsock (AF_VSOCK) implementation. A race condition between connect() and close() can lead to a use-after-free that may enable a local attacker running inside a guest VM to read kernel memory (information leak) or potentially in...

CVE-2019-12381

CVE-2019-12381 affects the Linux kernel (ip_ra_control in net/ipv4/ip_sockglue.c) up to version 5.1.5. It describes an unchecked kmalloc for new_ra, which could cause a NULL pointer dereference and system crash (DoS). NOTE: some sources dispute this because new_ra is not used if it is NULL. The c...

CVE-2019-19807

CVE-2019-19807 affects the Linux kernel before 5.3.11, due to a use-after-free in sound/core/timer.c (snd_timer_open/snd_timer_close_locked). The timeri variable was repurposed during a refactor, leading to a faulty lifecycle for a new timer instance. Connected sources confirm an upstream fix imp...

CVE-2023-1281

CVE-2023-1281 is a Linux kernel use-after-free in the traffic control index filter (tcindex) that permits local privilege escalation to root. The vulnerability stems from updating an imperfect hash area while packets traverse; a use-after-free occurs when tcf_exts_exec() accesses a destroyed tcf_...

CVE-2023-1652

CVE-2023-1652 refers to a use-after-free in nfsd4_ssc_setup_dul (fs/nfsd/nfs4proc.c) of the Linux kernel’s NFS subsystem that can let a local attacker crash the system or leak kernel information. Connected advisories confirm the issue exists in the Linux kernel and indicate remediation via kernel...

CVE-2025-21684

CVE-2025-21684 affects the Linux kernel GPIO xilinx driver. Root cause: irq_chip locking used gpio_lock (a normal spinlock) in contexts that may run under raw spinlock requirements. The fix: convert gpio_lock to a raw spinlock and apply it in the xilinx GPIO code path (e.g., xgpio_irq_unmask), ad...

CVE-2019-3901

CVE-2019-3901 describes a race condition in perf_event_open() that can leak data from setuid processes. The root cause is that cred_guard_mutex is not held during the ptrace_may_access() check, allowing a target task to execve() with setuid execution before perf_event_alloc() attaches, bypassing ...

CVE-2022-33743

CVE-2022-33743 maps to a Xen netfront memory-handling issue in the Linux kernel where SKBs with retained references can be freed, caused by a label move while adding XDP support. This can lead to use-after-free in the network backend and a potential Denial of Service when interacting with the Xen...

CVE-2022-42329

CVE-2022-42329 concerns the Linux xen-netback driver. The description shows a potential deadlock when freeing the SKB of a dropped packet under the XSA-392 handling (also tied to CVE-2022-42328) and also when dropping packets if netpoll is active on the connected interface, risking a deadlock in ...

CVE-2022-49610

The CVE-2022-49610 entry concerns the Linux kernel KVM VMX path. The vulnerability description states a theoretical RSB underflow could occur on VMX when there is a gap between the guest SPEC_CTRL write and vmenter, potentially triggered by an NMI with a deep call stack. The mitigation is to disa...

CVE-2023-28466

Summary: CVE-2023-28466 affects the Linux kernel up to 6.2.6, where do_tls_getsockopt in net/tls/tls_main.c can race due to a missing lock_sock, causing a use-after-free or NULL pointer dereference. The condition is a local, kernel‑level issue with potential crashes or memory corruption as descri...

CVE-2014-8559

CVE-2014-8559 is tied to the Linux kernel up to version 3.17.2, where the d_walk function in fs/dcache.c fails to properly preserve the semantics of rename_lock. This can allow a local attacker to cause a denial of service via a deadlock and system hang. The connected advisories state that the is...

CVE-2015-9289

Mode C: CVE-2015-9289 affects the Linux kernel (drivers/media/dvb-frontends/cx24116.c). A buffer overflow can occur when validating userspace parameters for DiSEqC commands: the API specifies a maximum of 6, but code accepts values up to 23. This is in kernels before 4.1.4; the fix is in Linux 4....

CVE-2017-9075

CVE-2017-9075 affects the Linux kernel network subsystem: the sctp_v6_create_accept_sk function in net/sctp/ipv6.c mishandles inheritance, enabling a local attacker to cause a denial of service (and possibly other effects) via crafted system calls. Connected CentOS Red Hat advisories (e.g., CESA/...

CVE-2019-15222

CVE-2019-15222 entry is rejected/not used and not an active vulnerability.

CVE-2024-50082

CVE-2024-50082 affects the Linux kernel’s blk-rq-qos subsystem. The issue is a race where rq_qos_wake_function() may wake a waiter after its waitqueue entry has been deleted, causing wake_up_process() to reference a deallocated task and fault when spinning locks. The root cause is a deletion-afte...

CVE-2026-46333

CVE-2026-46333 concerns a logic bug in the Linux kernel’s ptrace access check (__ptrace_may_access). When a thread lacks an MM pointer, ptrace_may_access uses a cached “last dumpable” flag, which can be bypassed by CAP_SYS_PTRACE to override. This can enable local privilege escalation or informat...

CVE-2018-18690

CVE-2018-18690 pertains to the Linux kernel before 4.17 where a local attacker able to set attributes on an xfs filesystem could render the filesystem non-operational until remount by triggering an unchecked error during an xfs attribute change. The root cause is mishandling of ATTR_REPLACE in xf...

CVE-2019-15794

CVE-2019-15794 describes a refcount underflow in the overlayfs/shiftfs error path when used with aufs patches. Specifically, both the Overlayfs and shiftfs patches in the Ubuntu 5.0 and 5.3 kernel series replace vma->vm_file in mmap handlers, and on error do not restore the original value; the...

CVE-2019-19816

CVE-2019-19816 affects the Linux kernel 5.0.21: mounting a crafted btrfs image can trigger a slab-out-of-bounds write in __btrfs_map_block in fs/btrfs/volumes.c due to mishandling of the data stripes value = 1. The connected Nessus advisory blocks (Unity Linux UTSA-2026-004332 and related plugin ...

CVE-2020-25220

CVE-2020-25220 is a Linux kernel local-use-after-free vulnerability in the cgroup subsystem caused by not accounting for skcd->no_refcnt during a backport of CVE-2020-14356. Affects 4.9.x (before 4.9.233), 4.14.x (before 4.14.194), and 4.19.x (before 4.19.140). The issue originates from backpo...

CVE-2022-25375

CVE-2022-25375 affects the Linux kernel rndis gadget: the RNDIS_MSG_SET size is not validated, allowing information disclosure from kernel memory. Affected: kernels prior to 5.16.10. Remediation: apply upstream patch in 5.16.10+; Debian advisories note fixes in stable branches (e.g., 5.10.x/Bulls...

CVE-2023-52827

CVE-2023-52827 concerns the Linux kernel’s wifi ath12k code. The issue is a potential out-of-bounds read in ath12k_htt_pull_ppdu_stats(), caused by len being extracted from an HTT message without sufficient validation; an unexpected value could occur during message iteration/parsing. The same ris...

CVE-2017-18216

CVE-2017-18216 affects the Linux kernel's OCFS2 nodemanager.c: a required mutex is not used, enabling local attackers to trigger a NULL pointer dereference/BUG and cause denial of service. The issue exists in kernel versions before 4.15. Exploitation is local; no remote vector noted in the provid...

CVE-2024-45000

The CVE-2024-45000 entry concerns the Linux kernel component fs/netfs/fscache_cookie. Technical details in connected docs show a NULL pointer dereference caused by a data race when a non-zero n_accesses counter was present during concurrent cookie withdrawal and cache write preparation. The under...

CVE-2024-53055

The CVE-2024-53055 issue affects the Linux kernel’s wifi: iwlwifi mvm 6 GHz scanning. It was caused by a loop variable of type u8 in the 6 GHz scan construction, which could loop forever when more than 255 colocated APs are found during 2.4/5 GHz scanning. The code was changed to use a u32 loop v...

CVE-2011-1083

The CVE-2011-1083 issue affects the Linux kernel epoll implementation (epoll_ctl/epoll_create) as shipped in 2.6.37.2 and earlier. Local attackers can cause CPU denial of service by crafting a user-space application that creates and manages epoll file descriptors, exploiting improper traversal of...

CVE-2015-5157

CVE-2015-5157 affects the Linux kernel prior to 4.1.6 on x86_64. The issue is in arch/x86/entry/entry_64.S where IRET faults during NMIs that occur in userspace are mishandled, potentially allowing a local user to gain privileges. The vulnerability is described in several connected advisories as ...

CVE-2016-3134

The CVE-2016-3134 issue affects the Linux kernel netfilter/ip_tables.c, where the mark_source_chains() path can process an IPT_SET_REPLACE entry with an unvalidated next_offset. This can lead to out-of-bounds writes that enable local privilege escalation or cause a denial of service (heap memory ...

CVE-2016-7042

CVE-2016-7042: Linux kernel vulnerability where proc_keys_show (security/keys/proc.c) uses an incorrect buffer size for certain timeout data when built with gcc stack protector, enabling local denial of service by reading /proc/keys. Affects kernels up to 4.8.2; exploitation could cause stack mem...

CVE-2017-6001

CVE-2017-6001 is a Linux kernel race condition in the perf_events subsystem. The initial description notes a race between concurrent perf_event_open calls for moving a software group into a hardware context, allowing local privilege escalation and tied to an incomplete fix for CVE-2016-6786. Conn...

CVE-2019-12456

CVE-2019-12456 : A local double-fetch vulnerability in the Linux kernel, affecting the MPT3COMMAND path of _ctl_ioctl_main in drivers/scsi/mpt3sas/mpt3sas_ctl.c. The issue arises from reading ioc_number between two kernel reads, allowing a local attacker to trigger a denial of service or potentia...

CVE-2023-1390

CVE-2023-1390 is a remote DoS in the Linux kernel TIPC module. The advisory describes a flaw in tipc_link_xmit() where a loop encounters an unknown state while parsing SKBs not in the queue, and sending two small UDP packets to a system with a UDP bearer can cause CPU utilization to spike to 100%...

CVE-2024-26987

CVE-2024-26987 refers to a Linux kernel issue where a deadlock could occur in memory failure handling when hugetlb_optimize_vmemmap is enabled. The vulnerability is described with a deadlock scenario involving memory_failure/hard_offline_page_store and a dependency chain between cpu_hotplug_lock ...

CVE-2018-13093

CVE-2018-13093 relates to a NULL pointer dereference in Linux kernel fs/xfs/xfs_icache.c during pathwalks on a corrupted XFS image, caused by missing validation that cached inodes are freed during allocation. Impact: potential crash/DoS. Remediation: Debian LTS advisory DLA-2114-1 lists this CVE ...

CVE-2019-19602

CVE-2019-19602 – Linux kernel fpregs_state_valid cache issue : In arch/x86/include/asm/fpu/internal.h, the fpu_fpregs_owner_ctx caching can mishandle signal-based preemption when compiling with GCC 9, on amd64, leading to context-dependent attackers causing a memory corruption DoS and potentially...

CVE-2020-29373

CVE-2020-29373 affects the Linux kernel (pre-5.6) in fs/io_uring.c, where the root directory is unsafely handled during path lookups inside a mount namespace, allowing a process to escape to unintended filesystem locations. The issue is confirmed by the CVE description and linked ChangeLog-5.6 an...

CVE-2021-45469

CVE-2021-45469 affects the Linux kernel’s f2fs file system implementation, specifically __f2fs_setxattr in fs/f2fs/xattr.c. When an inode’s last xattr entry is invalid, there is an out-of-bounds memory access. Documents indicate an attacker who can mount a crafted f2fs image could trigger denial ...

CVE-2023-1838

The CVE-2023-1838 entry centers on a use-after-free flaw in the Linux kernel’s vhost_net_set_backend (drivers/vhost/net.c, virtio network subcomponent) caused by a double fget. This can allow a local attacker to crash the system and potentially leak kernel information. Connected documents (Astra ...

CVE-2024-26984

CVE-2024-26984 is a Linux kernel issue affecting the nouveau GPU driver where a race around pointer stores in instmem (ptrs) can yield a NULL pointer dereference under contention. The root cause is a race between nv50_instobj_acquire/refcount_set and concurrent refcount_inc_not_zero, which may le...

CVE-2025-21866

CVE-2025-21866 : In the Linux kernel, PowerPC text patching infrastructure allocated a virtual area and marked it VM_ALLOC, which is inappropriate since that memory is not vmalloc’d and isn’t initialized until __vmalloc_node_range() is called. This caused KASAN: vmalloc-out-of-bounds when booting...

CVE-2016-9793

The CVE-2016-9793 issue affects the Linux kernel 4.8.x lineage prior to 4.8.14. The sock_setsockopt implementation in net/core/sock.c mishandles negative values for sk_sndbuf and sk_rcvbuf, enabling a local attacker with CAP_NET_ADMIN to trigger memory corruption and a potential denial of service...

CVE-2017-18249

CVE-2017-18249 affects the Linux kernel’s f2fs implementation: the add_free_nid function in fs/f2fs/node.c fails to properly track an allocated nid, enabling local attackers to cause a denial of service via a race condition (and potentially other impact) when multiple threads run concurrently. Af...

CVE-2019-19080

CVE-2019-19080 affects the Linux kernel (pre-5.3.4). The issue consists of four memory leaks in nfp_flower_spawn_phy_reprs() in drivers/net/ethernet/netronome/nfp/flower/main.c, leading to potential memory consumption and a denial of service. The public references confirm the vulnerable function ...

CVE-2021-20268

The CVE-2021-20268 entry is confirmed to affect the Linux kernel eBPF verifier, where an out-of-bounds access via dev_map_init_map or sock_map_alloc could crash the system or enable local privilege escalation. Affected are kernel implementations before fixes in public advisories; mitigation is to...

CVE-2022-3586

CVE-2022-3586 : A use-after-free in the Linux kernel networking path (sch_sfb enqueue function using SKB cb field after enqueueing/freeding into a child qdisc) allows a local, unprivileged user to crash the system, causing a denial of service. Affected component: kernel networking code; root caus...

CVE-2023-5717

CVE-2023-5717 describes a heap out-of-bounds write in the Linux kernel’s perf subsystem (Perf events) caused by improper handling of event groups. When perf_read_group() runs and an event’s sibling_list is smaller than its child’s, memory writes can occur outside the allocated buffer, enabling lo...

CVE-2024-26777

CVE-2024-26777 concerns Linux kernel fbdev drivers (sis and savage) where pixclock may be used as a divisor before being validated, enabling a divide-by-zero error via user-supplied ioctl values. The root cause is that pixclock is used in calculations (e.g., drate) before a zero check, with fixes...