CVE-2018-16871

A CVE-2018-16871 issue exists in the Linux kernel’s NFS implementation (all 3.x and 4.x up to 4.20). A attacker mounting an exported NFS filesystem can trigger a null pointer dereference using an invalid NFS sequence, causing a kernel panic and denying access to the NFS server; outstanding disk w...

CVE-2019-13648

CVE-2019-13648 affects the Linux kernel on PowerPC where hardware transactional memory is disabled. A local user can trigger a denial of service (TM Bad Thing exception and system crash) by sending a crafted signal frame via sigreturn() to arch/powerpc/kernel/signal_32.c and signal_64.c. Public d...

CVE-2025-4598

The CVE-2025-4598 entry concerns a race condition in systemd-coredump that can let a local attacker read a crashed SUID process’s core dump. Affected component is systemd and its coredump handling; root cause is a kill-and-replace race where the kernel recycles a PID before systemd-coredump can a...

CVE-2018-14634

CVE-2018-14634 is a Linux kernel integer overflow vulnerability in create_elf_tables(). An unprivileged local user with access to a SUID (or otherwise privileged) binary could escalate privileges. Documented vulnerable kernel families include 2.6.x, 3.10.x, and 4.14.x. Mitigations/recognitions ex...

CVE-2026-43284

Summary of CVE-2026-43284 (Linux kernel): The issue occurs in ESP decryption for UDP paths when using shared skb frags. Specifically, after MSG_SPLICE_PAGES attaches pages to an skb, and SKBFL_SHARED_FRAG is set, ESP input could decrypt in place on data not privately owned by the skb, if the frag...

CVE-2022-0322

The CVE-2022-0322 entry concerns a flaw in the Linux kernel SCTP implementation. Specifically, in net/sctp/sm_make_chunk.c, the function sctp_make_strreset_req can trigger a BUG_ON when an operation uses more buffer than allocated, enabling local privilege access to cause a denial of service. Con...

CVE-2020-25285

CVE-2020-25285 is a race condition in the Linux kernel hugetlb sysctl handlers (mm/hugetlb.c) that could allow a local attacker to corrupt memory or trigger NULL pointer dereferences. Public docs (e.g., ChangeLog-5.8.8) indicate the fix was released in kernel 5.8.8; Ubuntu/Debian advisories refer...

CVE-2021-46913

CVE-2021-46913 is a Linux kernel vulnerability affecting nf_tables (netfilter) via clone set element expression templates. It arises when initializing the connlimit expression list, causing connlimit garbage collector crashes during list walking. The Astra/Astra Linux bulletin notes the fix: use ...

CVE-2020-27171

The vulnerability CVE-2020-27171 affects Linux kernels before 5.11.8. The issue is in kernel/bpf/verifier.c, where an off-by-one error enables integer underflow that can trigger out-of-bounds speculation in pointer arithmetic, allowing side-channel leakage of kernel memory and defeating Spectre m...

CVE-2021-37159

CVE-2021-37159 affects the Linux kernel driver hso_free_net_device() in drivers/net/usb/hso.c. The code calls unregister_netdev without verifying NETREG_REGISTERED, causing use-after-free and double-free scenarios. Affected kernel versions include up to 5.13.4; the issue is mitigated by upgrading...

CVE-2021-43267

The CVE-2021-43267 issue affects the Linux kernel up to version 5.14.16 in the TIPC crypto path (net/tipc/crypto.c). The vulnerability arises from insufficient validation of user-supplied sizes for the MSG_CRYPTO message type, enabling remote attackers to potentially corrupt memory or escalate pr...

CVE-2024-50302

CVE-2024-50302 affects the Linux kernel HID core by leaving the HID report buffer potentially uninitialized, enabling possible memory leakage via crafted reports. The fixed behavior is to zero-initialize the report buffer at allocation time. Public advisories (including AstraLinux and AlmaLinux f...

CVE-2019-15239

The CVE-2019-15239 issue arises from a backported net/ipv4/tcp_output.c change in some 4.9.x and 4.14.x long-term Linux kernels that was correctly fixed in 4.16.12 but incorrectly backported to older LT kernels. This regression enables a local attacker to add to a write queue between disconnectio...

CVE-2019-15666

CVE-2019-15666 affects the Linux kernel prior to 5.0.19, with an out-of-bounds array access in __xfrm_policy_unlink caused by improper directory validation in net/xfrm/xfrm_user.c. This can lead to denial of service. Nexus/connected advisories confirm the same impact and recommend upgrading the k...

CVE-2021-29155

CVE-2021-29155 is a Linux kernel issue affecting the eBPF verifier path (kernel/bpf/verifier.c) that allows speculative-out-of-bounds memory accesses to leak kernel memory via side-channels. The description from connected documents ties the vulnerability to Spectre mitigations and notes that a lo...

CVE-2019-16089

Summary (CVE-2019-16089): The vulnerability resides in the Linux kernel (through version 5.2.13) where nbd_genl_status in drivers/block/nbd.c does not validate the return value of nla_nest_start_noflag, potentially enabling local privilege impact due to improper netlink attribute nesting checks. ...

CVE-2021-46924

CVE-2021-46924 affects the Linux kernel NFC driver st21nfca. The issue is a memory leak caused by phy->pending_skb being allocated during device probe but not freed on error or remove paths. The connected Astra Linux bulletin and referenced kernel commits confirm the root cause and the remedia...

CVE-2021-46926

CVE-2021-46926 concerns the Linux kernel ALSA: hda: intel-sdw-acpi component. The flaw arises from the code setting an ACPI handle pointer before confirming the target is a SoundWire controller, allowing a graph-walk flow to continue after pointer assignment. A patch changes the logic to set call...

CVE-2018-20669

CVE-2018-20669 affects the Linux kernel i915_gem_execbuffer2_ioctl path (drivers/gpu/drm/i915/i915_gem_execbuffer.c) up to kernel 4.19.13. A local attacker can craft an IOCTL call that fails address checks (address provided to access_ok() is not checked), enabling overwriting arbitrary kernel mem...

CVE-2019-18808

The CVE-2019-18808 entry describes a memory-leak DoS in the Linux kernel via ccp_run_sha_cmd() in ccp-ops.c (up to kernel 5.3.9). Connected Astra Linux advisories show a similar memory-leak DoS in ccp_run_aes_gcm_cmd() (drivers/crypto/ccp/ccp-ops.c) affecting Linux-5.10 and noting similarity to C...

CVE-2021-3669

CVE-2021-3669 is a Linux kernel vulnerability where measuring shared memory usage does not scale with large shared memory segment counts, enabling resource exhaustion and DoS. Connected sources confirm the issue affects multiple kernel versions and distributions, with remediations following vendo...

CVE-2018-18397

The vulnerability CVE-2018-18397 affects the Linux kernel prior to 4.19.7, where the userfaultfd implementation mishandles access control for certain UFFDIO ioctls (fs/userfaultfd.c and mm/userfaultfd.c). A local attacker with read permissions on a tmpfs file containing holes could write data int...

CVE-2019-3016

CVE-2019-3016 is a Linux kernel/KVM issue where, when PV TLB is enabled, a process inside a guest can read memory belonging to another process in the same guest. The root cause is a missing or incomplete TLB flush in the KVM x86 paravirtualized path when the host is running Linux 4.10 and the gue...

CVE-2023-4004

CVE-2023-4004 is a use-after-free in the Linux kernel’s netfilter nft_pipapo_remove() path when triggering the element without NFT_SET_EXT_KEY_END. This vulnerability can let a local attacker crash the system or potentially escalate privileges. The issue is tied to nf_tables/netfilter behavior an...

CVE-2018-10902

CVE-2018-10902 is a Linux kernel local privilege-escalation flaw in the raw MIDI driver. The issue arises from a race on concurrent access in the snd_rawmidi_ioctl() path (snd_rawmidi_input_params and snd_rawmidi_output_status), causing a double-free/double-realloc in the rawmidi.c handler. Explo...

CVE-2021-46932

CVE-2021-46932 affects the Linux kernel’s input subsystem (Input: appletouch). The root cause is that input_dev->close() can cancel_work_sync(&dev->work) before dev->work is initialized (initialized after input_register_device()), causing a risk of a NULL work function in __flush_work()....

CVE-2023-0394

CVE-2023-0394: A NULL pointer dereference in rawv6_push_pending_frames() of the Linux kernel (net/ipv6/raw.c) can cause a crash (DoS). The issue is confirmed across multiple advisories (e.g., Astra Linux and Brocade/SANnav postings) as a Linux kernel vulnerability, with no explicit public exploit...

CVE-2019-3900

CVE-2019-3900 is an upstream Linux kernel vulnerability in the vhost_net module causing an infinite loop while handling incoming packets in handle_rx(), which can allow a guest user to stall the vhost_net kernel thread and trigger a DoS. The issue is present in Linux kernel releases up to and inc...

CVE-2020-29661

The entry CVE-2020-29661 describes a local, kernel-space vulnerability in the Linux tty subsystem (drivers/tty/tty_jobctrl.c) that can enable a use-after-free through TIOCSPGRP. A locking issue in this path allows memory corruption and potential privilege escalation or system impact when an attac...

CVE-2020-7053

CVE-2020-7053 affects the Linux kernel: a use-after-free (write) in i915_ppgtt_close (drivers/gpu/drm/i915/i915_gem_gtt.c), linked to i915_gem_context_destroy_ioctl (i915_gem_context.c). Affected: Linux kernels 4.14 LTS up to 4.14.165, 4.19 LTS up to 4.19.96, and 5.x before 5.2. Root cause is a u...

CVE-2020-36322

The CVE-2020-36322 issue affects the Linux kernel FUSE filesystem implementation, where fuse_do_getattr() could call make_bad_inode() in inappropriate situations, potentially causing a system crash. The vulnerability is tied to the FUSE path and was partially addressed by a fix, with the incomple...

CVE-2021-46922

CVE-2021-46922 concerns the Linux kernel KEYS: trusted TPM reservation for seal/unseal. The patch 8c657a0590de dropped tpm_try_get_ops() in tpm2_seal_trusted() during a rebase, causing imbalanced TPM ops and oopses on TIS hardware. The fix reinstates the lost tpm_try_get_ops().

CVE-2022-23222

CVE-2022-23222 affects the Linux kernel Bitcoin? No. It targets kernel/bpf/verifier.c where pointer arithmetic on *_OR_NULL types can lead to privilege escalation. Affected: Linux kernel through 5.15.14 (local attacker). Connected advisories reference fixes in kernel package updates (e.g., ALAS/M...

CVE-2019-19767

CVE-2019-19767 affects the Linux kernel prior to 5.4.2, due to mishandling of ext4_expand_extra_isize which can cause use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry (fs/ext4/inode.c and fs/ext4/super.c; CID-4ea99936a163). This is a kernel-level vulnerability impacting ext4-r...

CVE-2020-14331

CVE-2020-14331 is a Linux kernel vulnerability in the VGA console driver’s soft-scrollback path. A local user with access to a VGA console can trigger an out-of-bounds write when resizing the console via VT_RESIZE, potentially crashing the system and possibly escalating privileges. Publicly docum...

CVE-2022-1048

The CVE CVE-2022-1048 is a use-after-free vulnerability in the Linux kernel sound subsystem (ALSA PCM) caused by a race between concurrent hw_params and hw_free ioctls. Attacker-controlled timing on local access can crash the system or potentially escalate privileges. Affected component: Linux ke...

CVE-2019-19447

CVE-2019-19447 is a Linux kernel 5.0.21 flaw where mounting a crafted ext4 filesystem image can trigger a use-after-free in ext4_put_super (fs/ext4/super.c, related to dump_orphan_list). Reports in multiple connected sources corroborate a local, post-authentication impact with potential arbitrary...

CVE-2019-10126

CVE-2019-10126 affects the Linux kernel Marvell mwifiex wireless kernel driver. The issue is a heap-based buffer overflow in mwifiex_uap_parse_tail_ies (drivers/net/wireless/marvell/mwifiex/ie.c) that can lead to memory corruption. Public documents in the Connected set identify the affected compo...

CVE-2024-26591

CVE-2024-26591: Linux kernel vulnerability in bpf_tracing_prog_attach can crash with NULL pointer dereference due to missing attach_btf when attaching tracing programs (rawtp/fentry chain). The issue arises in a sequence of loading a rawtp program, loading an fentry with rawtp as target, creating...

CVE-2018-20976

CVE-2018-20976 affects the Linux kernel prior to 4.18, specifically a use-after-free in fs/xfs/xfs_super.c related to xfs_fs_fill_super during mount failure. The vulnerability can lead to memory corruption or crash and is exploitable via a local attack, with no authentication required per the CVE...

CVE-2019-20054

CVE-2019-20054 affects the Linux kernel prior to 5.0.6, with a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c (related to put_links, CID-23da9588037e). The fix is included in kernel 5.0.6 (and later). Public exploit details are not provided in the supplied documents. Rec...

CVE-2021-46943

CVE-2021-46943 : Linux kernel vulnerability in media: staging/intel-ipu3 where a faulty set_fmt error handling could cause mis-updated sizes, enabling a local exploit path that, without the fix, could trigger excessive RAM use (up to 4 GiB) and an OOPS. The issue stems from overwriting previous v...

CVE-2018-20855

CVE-2018-20855 affects Linux kernel before 4.18.7. In mlx5InfiniBand, create_qp_common (mlx5_ib_create_qp_resp) was never initialized, leaking stack memory to userspace. Upstream fix shipped with kernel 4.18.7 (commit 0625b4ba1a5d4703c7fb01c497bd6c156908af00). Mitigation: upgrade to 4.18.7+ or ap...

CVE-2021-3490

Technical details about CVE-2021-3490 are not publicly provided in the supplied documents. Monitor for updates.

CVE-2021-3679

CVE-2021-3679 affects the Linux kernel tracing subsystem (trace ring buffer) prior to 5.14-rc3. The flaw arises in how a user uses the trace ring buffer, enabling a privileged local attacker (CAP_SYS_ADMIN) to starve CPU resources and cause denial of service. The connected documents consistently ...

CVE-2019-19068

CVE-2019-19068 affects the Linux kernel Realtek RTL8xxxU USB Wi‑Fi driver (rtl8xxxu_submit_int_urb in rtl8xxxu_core.c, up to 5.3.11). The root cause is a memory leak when usb_submit_urb() fails during interrupt-URB submission, which can lead to DoS via memory consumption. Connected document F5 ad...

CVE-2020-12654

CVE-2020-12654 affects the Linux kernel prior to 5.5.4. The vulnerability is a heap-based buffer overflow in mwifiex_ret_wmm_get_status() (drivers/net/wireless/marvell/mwifiex/wmm.c) caused by an incorrect memcpy when processing WMM parameters from a remote AP. A crafted AP can trigger overflow a...

CVE-2023-3609

CVE-2023-3609 is a Linux kernel use-after-free in the net/sched: cls_u32 classifier. The flaw arises when tcf_change_indev() fails; u32_set_parms() returns after updating the reference counter in tcf_bind_filter(), and an attacker who can manipulate the reference counter to zero can cause the ref...

CVE-2020-10766

CVE-2020-10766 is a Linux kernel vulnerability tied to the SSBD mitigation logic, enabling a local attacker to temporarily disable SSBD during a context switch due to per-task STIPB switching. Connected advisories confirm affected kernels (e.g., Linux 5.4.x/5.8 era) and provide patch info: Debian...

CVE-2020-10942

CVE-2020-10942 affects Linux kernel pre-5.5.8: vhost-net get_raw_socket fails to validate sk_family in drivers/vhost/net.c, enabling local attackers to induce kernel stack corruption via crafted syscalls, with potential DoS or privilege escalation. The connected doc from ALAS2LIVEPATCH-2020-015 n...