CVE-2021-26931

CVE-2021-26931 is a Linux kernel issue in Xen PV backend handling. Affected: kernel 2.6.39–5.10.16 when running Xen PV; vulnerable components include block/xen-blkback/blkback.c and xen-scsiback.c. Root cause: grant-mapping error handling could be treated as a plain bug, leading to a kernel crash...

CVE-2021-34556

CVE-2021-34556 affects the Linux kernel up to 5.13.7. An unprivileged eBPF (BPF) program can leak sensitive kernel memory via a Speculative Store Bypass side-channel, because the protection mechanism did not account for uninitialized memory on the BPF stack. The root cause is information disclosu...

CVE-2022-2639

CVE-2022-2639 affects the Linux kernel openvswitch module. The root cause is an integer coercion error in reserve_sfa_size() that can fail to return -EMSGSIZE under heavy action counts, risking an out-of-bounds write and local privilege escalation or denial of service. Public details in connected...

CVE-2023-0590

CVE-2023-0590: A use-after-free in qdisc_graft (net/sched/sch_api.c) due to a race condition in the Linux kernel can lead to denial of service. The issue is noted in multiple public bulletins (e.g., Astra Linux and IBM QRadar) referencing the same kernel component, with remediation via patch ebda...

CVE-2023-52817

CVE-2023-52817: Linux kernel DRM/AMDGPU fix for a NULL pointer dereference when the smc_rreg pointer is NULL while reading amdgpu_regs_smc (VEGA20). The patch adds a NULL check to amdgpu_debugfs_regs_smc_read path, preventing a kernel NULL pointer dereference when users read /sys/kernel/debug/dri...

CVE-2017-8824

CVE-2017-8824 affects the Linux kernel DCCP implementation. The bug is a use-after-free in dccp_disconnect (net/dccp/proto.c) that can be triggered by an AF_UNSPEC connect while in the DCCP_LISTEN state, allowing a local user to escalate privileges or cause a denial of service. Public advisories ...

CVE-2020-9383

CVE-2020-9383 affects the Linux kernel floppy driver (set_fdc in drivers/block/floppy.c) where the FDC index is not checked for errors before assignment, causing a wait_til_ready out-of-bounds read. Impact per the CVE description: local attacker could cause a denial of service or privilege escala...

CVE-2021-35039

The CVE-2021-35039 issue affects the Linux kernel up to version 5.12.14 where module signature verification can be bypassed if CONFIG_MODULE_SIG is not set and a module.sig_enforce=1 argument is used during init_module loading. Affected component: kernel/module.c. Root cause: mishandling of signa...

CVE-2022-3545

CVE-2022-3545: Linux Kernel use-after-free in area_cache_get (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c, IPsec). Affects local attacker within LAN via area_cache_get manipulation; initial description notes a patch exists to fix the issue. Connected Astra Linux bulletin provides con...

CVE-2026-22998

CVE-2026-22998 affects the Linux kernel’s NVMe over Fabrics NVMe-TCP path. The issue is a NULL pointer dereference in nvmet_tcp_build_pdu_iovec triggered by H2C_DATA PDUs when command data structures are uninitialized or partially initialized. Specifically, nvmet_tcp_handle_h2c_data_pdu() could p...

CVE-2022-4379

CVE-2022-4379 is a use-after-free vulnerability in the Linux kernel’s NFSv4.2 server path: __nfs42_ssc_open() in fs/nfs/nfs4file.c. The flaw can enable a remote denial of service. The connected Astra Linux advisory confirms the same issue applies to Linux kernel 5.x and notes remote denial of ser...

CVE-2023-52340

The CVE concerns the Linux kernel IPv6 implementation (net/ipv6/route.c) where a max_size threshold can be exhausted, enabling a denial-of-service condition (network is unreachable) when IPv6 packets loop via a raw socket. Affected: Linux kernel versions prior to 6.3. Impact is denial of service ...

CVE-2021-46944

CVE-2021-46944 : Linux kernel vulnerability in media: staging/intel-ipu3 where a memory reference leak in imu_fmt occurs due to misordered checks; patch fixes memory leak by changing check order. Impact limited to memory leak; no exploitation details provided in the documents. Remediation: apply ...

CVE-2022-45885

CVE-2022-45885 : The Linux kernel (up to version 6.0.9) has a race in drivers/media/dvb-core/dvb_frontend.c that can cause a use-after-free when a device is disconnected. The vulnerability affects the DVB core frontend path and is rated high severity (CVSS 3.1: AV=L/AC=H/PR=L/UI=N/S=U/C=H/I=H/A=H...

CVE-2019-15925

CVE-2019-15925 : The Linux kernel (before 5.2.3) contains an out-of-bounds access in hclge_tm_schd_mode_vnet_base_cfg (drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c). This affects kernels prior to 5.2.3; patch and changelog are available in ChangeLog-5.2.3. Public references include kerne...

CVE-2020-12768

CVE-2020-12768 affects the Linux kernel before 5.6, specifically svm_cpu_uninit in arch/x86/kvm/svm.c. The issue is a memory leak that occurs at boot time; third parties dispute its severity, noting the leak is one-time and its size is negligible and not triggerable at will. Public sources in con...

CVE-2020-36386

The CVE-2020-36386 vulnerability affects the Linux kernel prior to 5.8.1 and is located in net/bluetooth/hci_event.c (hci_extended_inquiry_result_evt). A slab-out-of-bounds read in this function could disclose information or contribute to a DoS condition. Exploitation requires local access (AV:L,...

CVE-2023-25012

CVE-2023-25012 is a Linux kernel use-after-free in the HID bigben driver (hid-bigbenff.c). A crafted USB device can leave LED controllers registered too long, enabling a local attacker with physical access to trigger a use-after-free in bigben_remove, potentially causing a denial of service or ar...

CVE-2023-6270

CVE-2023-6270 affects the Linux kernel AoE (ATA over Ethernet) driver. The flaw is in aoecmd_cfg_pkts(), which improperly updates the refcount of thestruct net_device, allowing a use-after-free when freeing the device and accessing it via the skbtxq queue. This can lead to a denial of service or ...

CVE-2024-0193

CVE-2024-0193 is a Linux kernel netfilter NFT_TABLES use-after-free flaw. The issue arises when the catchall element is garbage-collected during removal of the pipapo set, enabling double deactivation of the element and a use-after-free on NFT_CHAIN or NFT_OBJECT. This could allow a local unprivi...

CVE-2017-10661

CVE-2017-10661 is a race condition in Linux kernel timerfd (fs/timerfd.c) that affects versions before 4.10.15. The flaw arises from improper protection of the might_cancel queue during concurrent timerfd operations, enabling local attackers to cause a denial of service or gain privileges via lis...

CVE-2018-1130

CVE-2018-1130 is a Linux kernel vulnerability: a NULL pointer dereference in dccp_write_xmit() of net/dccp/output.c that can crash the system via crafted system calls, allowing local DoS. The Initial Description notes Linux kernel before 4.16-rc7 as vulnerable; connected advisories (Debian, CentO...

CVE-2019-16994

CVE-2019-16994 affects the Linux kernel prior to 5.0, where a memory leak in sit_init_net() (net/ipv6/sit.c) may occur if register_netdev() fails to register sitn->fb_tunnel_dev, potentially enabling denial of service. Connected advisories (e.g., Unity/UTSA) corroborate the kernel version rang...

CVE-2021-20321

CVE-2021-20321 is a race-condition vulnerability in the Linux kernel OverlayFS subsystem affecting how file renames are performed, potentially allowing a local attacker to crash the system via OverlayFS misuse. Connected advisories corroborate that the issue resides in OverlayFS file object handl...

CVE-2021-28964

CVE-2021-28964: A race condition in get_old_root() in fs/btrfs/ctree.c of the Linux kernel up to 5.11.8 can allow a local attacker to cause a denial of service by cloning an extent buffer without proper locking. Connected documents confirm the Btrfs race condition and DoS impact but do not provid...

CVE-2021-3847

CVE-2021-3847 describes a local privilege escalation in the Linux kernel OverlayFS subsystem. The flaw arises in the way a user copies a capable file from a nosuid mount to another mount, enabling unauthorized execution of setuid-capable files. The confirmed impact is that a local user can escala...

CVE-2021-45486

CVE-2021-45486 affects the Linux kernel IPv4 stack, specifically net/ipv4/route.c, where a very small hash table enables information leakage. The vulnerability arises from the hash table size and is documented to be addressed in Linux kernel 5.12.4 (ChangeLog-5.12.4). Public-connected materials (...

CVE-2009-0065

CVE-2009-0065 affects the Linux kernel SCTP implementation: a buffer overflow in net/sctp/sm_statefuns.c allows a remote attacker to trigger an impact via a Forward-TSN chunk with a large stream ID on kernels before 2.6.28-git8. The vulnerability is described in multiple connected advisories (e.g...

CVE-2018-10879

CVE-2018-10879 is a Linux kernel ext4 use-after-free vulnerability in ext4_xattr_set_entry. A local attacker can trigger a denial of service or other unspecified impact by renaming a file within a crafted ext4 image. The Connected documents corroborate the issue and list multiple advisories, but ...

CVE-2018-10940

CVE-2018-10940 affects the Linux kernel, where cdrom_ioctl_media_changed in drivers/cdrom/cdrom.c allows a local attacker to read kernel memory due to an incorrect bounds check in the CDROM_MEDIA_CHANGED ioctl. The vulnerability exists in versions before the 4.16.6 patch, which was released in th...

CVE-2019-8980

CVE-2019-8980 is a memory-leak DoS in the Linux kernel (kernel_read_file in fs/exec.c) affecting up to version 4.20.11. Attackers could trigger vfs_read failures to exhaust memory. The connected documents provide the vulnerability description but do not specify a confirmed fixed/patch version or ...

CVE-2022-2964

CVE-2022-2964 affects the Linux kernel AX88179_178A-based USB Ethernet driver. The advisory cites multiple out-of-bounds reads and possible writes in the driver, with CVSS v3.1 base metrics: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (score 7.8, HIGH). Affected components are the AX88179_178A USB ethern...

CVE-2019-15918

CVE-2019-15918 affects the Linux kernel prior to 5.0.10. The issue: SMB2_negotiate in fs/cifs/smb2pdu.c performs an out-of-bounds read due to data structures not being fully updated after downgrading SMB negotiation from smb30 to smb21. Impact stated in multiple advisories is a local vulnerabilit...

CVE-2022-1998

The CVE-2022-1998 entry concerns a use-after-free in the Linux kernel's File System notify path, specifically in the way a user-triggered copy_info_records_to_user() call may fail in copy_event_to_user(). The issue could allow a local attacker to crash the system and potentially escalate privileg...

CVE-2022-4543

CVE-2022-4543, described as EntryBleed, is a Linux kernel vulnerability in the Page Table Isolation (KPTI) path that could allow a local attacker to leak the KASLR base address via prefetch side-channels based on TLB timing on Intel CPUs. The connected sources confirm the issue’s existence and it...

CVE-2018-10675

The CVE-2018-10675 issue affects the Linux kernel prior to 4.12.9, where the do_get_mempolicy function in mm/mempolicy.c allows a local attacker to trigger a use-after-free, leading to denial of service and potentially other impact. Affected versions include kernels compiled into Linux-based prod...

CVE-2018-1087

CVE-2018-1087 describes a vulnerability in the Linux kernel KVM where exceptions delivered after a stack switch (via Mov SS or Pop SS) were not properly handled. The flaw could allow an unprivileged KVM guest user to crash the guest or potentially escalate privileges within the guest. The descrip...

CVE-2019-12454

The CVE-2019-12454 vulnerability affects the Linux kernel up to version 5.1.5 in wcd9335_codec_enable_dec (sound/soc/codecs/wcd9335.c). The issue arises because kstrndup is used instead of kmemdup_nul, which could enable an unspecified impact via unknown vectors. The vendor disputes this as a vul...

CVE-2019-19524

CVE-2019-19524 affects the Linux kernel (before 5.3.12) with a use-after-free in drivers/input/ff-memless.c caused by a malicious USB device, leading to kernel panics. upstream patch available (e.g., ChangeLog-5.3.12) and vendor advisories reference mitigations and fixes. The connected documents ...

CVE-2020-12114

CVE-2020-12114 describes a local, pivot_root race condition in the Linux kernel’s fs/namespace.c that can allow a local user to trigger a denial of service (panic) by corrupting a mountpoint reference counter. The initial description lists affected kernel branches and versions where the issue exi...

CVE-2020-27673

CVE-2020-27673 is described in connected advisories as a Linux kernel race-condition bug in Xen event handling, permitting a guest (domU) to cause a denial of service or host hang in dom0 when exposed to high event rates. Affected scope: Linux kernel up to 5.9.1, used with Xen through 4.14.x. The...

CVE-2019-14898

CVE-2019-14898 refers to an incomplete fix for CVE-2019-11599 in the Linux kernel prior to 5.0.10. The issue allows a local attacker to trigger a race between mmget_not_zero() and get_task_mm(), which can lead to information disclosure, denial of service, or other unspecified impacts as described...

CVE-2019-19449

CVE-2019-19449 affects the Linux kernel (5.0.21) where mounting a crafted f2fs filesystem image can trigger a slab-out-of-bounds read in ft2fs_build_segment_manager (fs/f2fs/segment.c). The root cause is an unvalidated second argument to get_seg_entry when computing init_min_max_mtime in fs/f2fs/...

CVE-2021-46930

CVE-2021-46930 details from connected docs: In the Linux kernel, the usb mtu3 subsystem had a fix for a list_head check warning caused by uninitialized list_head, leading to a KASAN use-after-free in __list_del_entry_valid and an observed call trace through mtu3, mtu3_req_complete, mtu3_gadget_st...

CVE-2024-53051

CVE-2024-53051 is addressed in the Linux kernel's DRM/I915 driver: a change to intel_hdcp_get_capability adds an encoder check to avoid a NULL pointer dereference when an encoder isn’t initialized during hotplug or suspend/resume. This is the stated fix in connected documentation (drm/i915/hdcp: ...

CVE-2016-4997

CVE-2016-4997 affects the Linux kernel netfilter IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE handling in 32/64-bit compatibility paths prior to 4.6.3, enabling local privilege escalation or memory-corruption-based denial of service when a crafted offset is supplied via in-container root access. Ex...

CVE-2018-18281

CVE-2018-18281 is a Linux kernel local vulnerability due to a race in mremap() where TLB flushes can occur too late, potentially allowing a process to access memory after it has been freed. The issue stems from moving page tables during mremap(), where stale TLB entries may remain until after the...

CVE-2018-7566

CVE-2018-7566 is confirmed in the Connected documents as a Linux kernel 4.15 vulnerability. It describes a buffer overflow in ALSA/seq handling: an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write to /dev/snd/seq can be triggered by a local user. The affected component is the kernel’s sound/ALSA subsy...

CVE-2019-15807

CVE-2019-15807 : In the Linux kernel prior to 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails, which can cause a BUG and result in a denial of service. The issue is addressed in kernel 5.1.13 as indicated by ChangeLog-5.1.13. Affected product...

CVE-2019-19966

CVE-2019-19966 affects the Linux kernel prior to 5.1.6, where a use-after-free in cpia2_exit() (drivers/media/usb/cpia2/cpia2_v4l.c) can lead to denial of service. Connected advisories (Unity Linux UTSA-2026-004036 and related Nessus plugins) reference the same issue and note a fix in kernel 5.1....