CVE-2025-21796

CVE-2025-21796 is a Linux kernel use-after-free vulnerability in nfsd where acl_access/acl_default could retain a pointer to a released posix_acl, enabling a UAF scenario. The fix is to clear acl_access/acl_default after releasing them to prevent the use-after-free. Public advisories (e.g., ALAS2...

CVE-2022-49275

CVE-2022-49275 affects the Linux kernel CAN subsystem (m_can). The issue is a use-after-free in can_tx_handler() related to skb handling when can_put_echo_skb() clones and frees skb. The fix moves can_put_echo_skb() for m_can 3.0.x to occur directly before hardware xmit, aligning with the 3.1.x b...

CVE-2023-3355

CVE-2023-3355 affects the Linux kernel’s MSM GPU driver, specifically the code path in drivers/gpu/drm/msm/msm_gem_submit.c (submit_lookup_cmds). The vulnerability arises from a NULL pointer dereference due to an missing validation of kmalloc() return value, enabling a local user to crash the sys...

CVE-2023-42752

CVE-2023-42752 - Linux kernel integer overflow in skb_shared_info allocation . The vulnerability arises when the kernel’s overflow allows skb_shared_info to be allocated in userspace. This is exploitable on systems without SMAP protection because skb_shared_info may contain references to function...

CVE-2024-26646

CVE-2024-26646 pertains to the Linux kernel’s thermal: intel: hfi subsystem. The vulnerability arises due to how the kernel manages memory buffers used by HFI during boot and resume flows. A second buffer may be allocated by the restore kernel on resume, which can differ from the image kernel’s b...

CVE-2024-26740

CVE-2024-26740: In the Linux kernel, the net/sched act_mirred fix uses the Rx backlog for egress→ingress reversals to prevent socket lock deadlocks on certain redirect scenarios. The upstream patch ca22da2fbd69 implements this backlog-based handling; Nessus advisory AXSA references this CVE with ...

CVE-2024-26743

Technical details about CVE-2024-26743 are not provided in the supplied documents. Please monitor vendor advisories for affected products, impact, and fixes.

CVE-2024-27431

CVE-2024-27431 relates to the Linux kernel where, for XDP programs tied to a cpumap entry, the xdp_rxq_info structure backing the XDP invocation was not zero-initialized. This could cause xdp_md->rx_queue_index to reflect uninitialised memory values. The published fix zeros the rxq data struct...

CVE-2024-35931

CVE-2024-35931 is a Linux kernel vulnerability affecting the DRM/AMDGPU stack. In RAS recovery, a mode-1 PCIe slot reset is prematurely triggered during error handling, which can cascade through PCIe/GART state and GPU reset sequences, potentially leading to a system hang or a fatal kernel fault....

CVE-2024-36921

CVE-2024-36921 security issue in Linux kernel wifi: iwlwifi (MVM) guarded against invalid STA ID on removal to prevent out-of-bounds accesses in iwl_mvm_mld_rm_sta_id. The vulnerability could occur during error handling if a station ID is invalid, risking memory corruption. The Microsoft Security...

CVE-2024-36930

In CVE-2024-36930, the Linux kernel SPI subsystem spi_sync is affected. When a non-empty SPI queue is used and the same spi_message is reused, the complete callback remains set after context clear, causing a null pointer dereference during spi_finalize_current_message(). The provided connectivity...

CVE-2024-40959

The CVE-2024-40959 entry concerns a Linux kernel issue where ip6_dst_idev() can return NULL, and xfrm6_get_saddr() must handle that, otherwise a NULL pointer dereference may occur. The vulnerability arises in xfrm6_policy.c (xfrm6_get_saddr) and could lead to denial of service via a kernel NULL d...

CVE-2024-40988

CVE-2024-40988 affects the Linux kernel DRM/Radeon driver. The issue is a UBSAN warning caused by a missing bounds check in kv_dpm.c (sumo_vid_mapping_entry). The patch adds the necessary bounds check, resolving the UBSAN warning. The description indicates the change is a bounds validation fix ra...

CVE-2024-42270

Technical details (affected product/version, exploit, and patch) for CVE-2024-42270 are not provided in the supplied documents. Monitor official advisories and CVE records for updates from kernel maintainers and CVE databases.

CVE-2024-43900

CVE-2024-43900 affects the Linux kernel’s media: xc2028 path. A worker thread can dereference a freed dvb_frontend object after tuner_probe() allocates a tuner and module removal frees the dvb_frontend, leading to a use-after-free in load_firmware_cb() triggered by request_firmware_work_func. The...

CVE-2024-49878

Technical details about CVE-2024-49878 are not publicly provided in the supplied documents. The initial description notes a Linux kernel resource-tree issue with CXL memory affecting region_intersects() and onlining memory; monitor for official patch releases and advisories.

CVE-2024-50006

CVE-2024-50006 (Linux kernel): Affects ext4 with an i_data_sem unlock order issue during ext4_ind_migrate() causing a potential deadlock in jbd2_log_wait_commit when EXT4_IOC_MIGRATE is used with O_SYNC. The deadlock occurs if EXT4_IOC_MIGRATE races with write(2) and CONFIG_PROVE_LOCKING is enabl...

CVE-2024-53059

Technical details (affected products, root cause, impact, fixes) for CVE-2024-53059 are not provided in the supplied connected documents. Monitor for updates from upstream advisories.

CVE-2024-53232

CVE-2024-53232 refers to a Linux kernel vulnerability in the IOMMU code for s390, where during surprise hot-unplug of a PCI device, attaching the default domain could fail and lead to a NULL domain pointer and a use-after-free. The fix introduces a blocking domain to handle devices that were alre...

CVE-2024-56770

CVE-2024-56770 documents a Linux kernel netem backlog accounting bug when used with a child qdisc (e.g., netem as root with tbf child). The issue arises because netem’s qlen/backlog statistics were updated by child qdiscs via qdisc_tree_reduce_backlog, but netem did not decrement qlen accordingly...

CVE-2024-57980

Summary of CVE-2024-57980 (Linux kernel) : The vulnerability is in the media: uvcvideo path where, if uvc_status_init() fails to allocate the int_urb, the code frees dev->status but does not set it to NULL. This leads to a double-free in uvc_status_cleanup() when the memory is freed again. The...

CVE-2025-21715

CVE-2025-21715 is reported in the Astra Linux bulletin as a Linux kernel issue affecting the davicom net driver. The root cause is a use-after-free (UAF) of the netdev private data stored in the dm object inside dm9000_drv_remove. The code can dereference dm after free_netdev() has been called, l...

CVE-2025-21744

CVE-2025-21744 affects the Linux kernel brcmfmac wifi driver. On device removal or module unload, a sequence including brcmf_detach, brcmf_remove_interface, brcmf_del_if, and brcmf_proto_detach can lead to a NULL return from brcmf_get_ip() and a subsequent NULL pointer dereference inside brcmf_tx...

CVE-2025-21753

The CVE-2025-21753 entry concerns a use-after-free in the Linux kernel’s btrfs join_transaction path. Root cause: when joining the current (possibly aborted) transaction, the code reads the transaction’s aborted field after releasing fs_info->trans_lock and without holding an extra reference, ...

CVE-2025-21814

CVE-2025-21814 affects the Linux kernel PTP code: ioctl/sysfs handlers call the info->enable callback unconditionally, which can be NULL if the driver doesn’t implement it. Affected drivers include ptp_s390.c, ptp_vclock.c and ptp_mock.c. The fix replaces a missing callback with a dummy one to...

CVE-2025-21887

In CVE-2025-21887, the Linux kernel overlayfs (ovl) had a use-after-free in ovl_dentry_remote/ovl_dentry_update_reval caused by calling dput(upper) before upper is no longer safe to use; the fix moves dput(upper) to after its final use in ovl_link_up, preventing the UAF. The issue is addressed in...

CVE-2025-38218

CVE-2025-38218 affects the Linux kernel with f2fs: a sanity check failure in sit_bitmap_size can lead to a kernel panic during resize/mount. The issue arises when sit_i->bitmap_size is 192, making sit bitmap size 1536, but with MAIN_SEGS at 261893 the sit_blk_cnt becomes 4762; build_sit_entrie...

CVE-2014-9419

CVE-2014-9419 affects the Linux kernel (arch/x86/kernel/process_64.c) up to version 3.18.1. The issue fails to ensure TLS descriptors are loaded before proceeding with other steps, enabling a local attacker to bypass ASLR by crafting an application that reads a TLS base address. Connected advisor...

CVE-2017-6264

CVE-2017-6264 is an elevation-of-privilege vulnerability in the NVIDIA GPU driver used on Android, specifically within the gm20b_clk_throt_set_cdev_state path. An out-of-bounds memory read can be used as a function pointer, potentially allowing a local attacker to execute arbitrary code in kernel...

CVE-2018-8043

CVE-2018-8043 : The Linux kernel’s unimac_mdio_probe (drivers/net/phy/mdio-bcm-unimac.c) fails to validate certain resource states, enabling a local attacker to trigger a NULL pointer dereference and cause a denial of service. The issue affects kernel versions up to 4.15.8. Connected advisories (...

CVE-2019-19076

CVE-2019-19076 concerns a memory leak in the Linux kernel function nfp_abm_u32_knode_replace() in drivers/net/ethernet/netronome/nfp/abm/cls.c, before version 5.3.6. The issue can allow a remote attacker to cause a denial of service via memory consumption. The upstream commit 78beef629fd9 was rev...

CVE-2020-27194

CVE-2020-27194 affects the Linux kernel prior to 5.8.15. The issue is in the eBPF verifier: scalar32_min_max_or() incorrectly copies a 64‑bit value into a 32‑bit variable, causing integer truncation and incorrect bounds tracking. This misalignment between verifier time checks and actual execution...

CVE-2021-3411

CVE-2021-3411 describes a memory access violation in the Linux kernel prior to 5.10, caused by a padding int3 check during linking. The flaw can affect data confidentiality, integrity, and system availability. A Nessus Unity Linux advisory references this vulnerability (UTSA-2026-004638) and reit...

CVE-2022-3169

CVE-2022-3169 - Linux kernel NVMe host driver. A denial-of-service condition may occur when NVME_IOCTL_RESET and NVME_IOCTL_SUBSYS_RESET are issued in sequence via the device file, potentially causing a PCIe link disconnect. Affected component is the Linux kernel’s NVMe host/driver pathway; the f...

CVE-2022-49133

The CVE-2022-49133 issue affects the Linux kernel DRM/AMDKFD component where svm range restore work deadlocks during process exit. The fix moves flush of svm_range_restore_work to kfd_process_wq_release and makes svm_range_restore_work take a task mm reference to prevent deadlock when the last us...

CVE-2022-49492

The CVE-2022-49492 issue affects the Linux kernel nvme-pci path. In nvme_alloc_admin_tags, admin_q can be set to an error (e.g., -ENOMEM) and, after returning, the flow may quiesce a non-existent admin queue, leading to a bad NULL pointer dereference. The vulnerability is a local issue with HIGH ...

CVE-2022-49572

CVE-2022-49572 affects the Linux kernel tcp path. The issue is a data race around reading the sysctl_tcp_slow_start_after_idle variable, where reads could race with concurrent writes. The published fix adds a READ_ONCE() to the readers to prevent concurrent modification during reads. The vulnerab...

CVE-2023-52560

CVE-2023-52560 affects the Linux kernel in the damon vaddr test paths (mm/damon/vaddr-test). The issue is a memory leak where damon_region and damon_target allocated by kmem_cache_alloc() and kmalloc() respectively are not freed after damon_destroy_ctx() was removed by a commit, and damon_region ...

CVE-2023-52878

CVE-2023-52878 : Linux kernel vulnerability in can_put_echo_skb() where out-of-bounds access to can_priv::echo_skb could crash the kernel. The fix enforces a bounds check and, on out-of-bounds access, issues a warning and returns an error instead of crashing. Affected component: CAN networking pa...

CVE-2024-26691

CVE-2024-26691 affects Linux kernel KVM for arm64. The circular locking arises when pkvm_create_hyp_vm() acquires kvm->lock while kvm_vcpu_ioctl() holds vcpu->mutex. The fix is to protect the hyp VM handle with config_lock (instead of keeping the vcpu->mutex under kvm->lock), mitigati...

CVE-2024-26903

CVE-2024-26903 (Linux kernel) : Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security. Root cause: after RFCOMM/L2CAP disconnect, the code could dereference a released l2cap_conn, leading to a null pointer access when calling hci_conn_security. Impact per CVSS: Medium (5.5) with high ava...

CVE-2024-27415

CVE-2024-27415 : Linux kernel netfilter bridge multicast handling races between macvlan clones and conntrack nf_confirm, risking unconfirmed nf_conn entries for multicast/broadcast frames. The race occurs when a L2 multicast/broadcast packet is cloned and sent across bridge interfaces, with confi...

CVE-2024-35810

CVE-2024-35810 – Linux kernel (drm/vmwgfx): The issue was caused by cleanup potentially running while an atomic update is active, leading to memory used during the atomic update being invalidated. The vmw_plane_state objects previously tried to manage their own mapped memory lifetimes; the fix sw...

CVE-2024-36941

CVE-2024-36941 is a Linux kernel vulnerability affecting the wifi nl80211 path. The issue is a NULL pointer dereference that could occur if parsing of the coalescing rule fails and the code dereferences NULL when freeing resources. The connected IBM advisory confirms the linux kernel fix for this...

CVE-2024-38579

CVE-2024-38579 : Linux kernel vulnerability in crypto: bcm where spu2_dump_omd() increments ptr by ciph_key_len instead of hash_iv_len, risking buffer overrun. Root cause: incorrect pointer arithmetic in bcm cryptographic path. Affects the kernel crypto module, potential memory safety impact. Fix...

CVE-2024-40941

The CVE-2024-40941 entry applies to the Linux kernel wifi driver, specifically iwlwifi mvm. The root cause is a misread: when firmware sends a notification claiming more data exists than actually allocated, the stack/buffer may be read past the intended boundary. The description notes that the pr...

CVE-2024-41039

CVE-2024-41039 (Linux kernel) : The vulnerability is resolved by fixing overflow checks when parsing wmfw headers in firmware handling. The patch splits the length check into three separate verifications for wmfw_header, wmfw_adsp?_sizes, and wmfw_footer, addressing cases where ADSP2 and Halo Cor...

CVE-2024-41093

CVE-2024-41093 – Linux kernel drm/amdgpu null framebuffer object fix : The vulnerability arises in the kernel’s DRM/amdgpu path where code could dereference a null framebuffer object when accessing state->fb->obj[0]. The patch changes the access to obtain the framebuffer object via drm_gem_...

CVE-2024-42304

CVE-2024-42304 (Linux kernel ext4) : The vulnerability arises when the first directory block is a hole in non-inline directories, causing ext4_read_dirblock to mis-handle a hole read and potentially crash code that relies on "." and "..". The fix prevents loading corrupted data by reporting files...

CVE-2024-46725

CVE-2024-46725 refers to a Linux kernel vulnerability where the drm/amdgpu path could trigger an out-of-bounds write warning. The connected Astra Linux bulletin confirms the issue as a kernel-level flaw and notes the fix was to validate the ring type value to prevent the OOB write. The vulnerabil...