CVE-2025-21681

Open vSwitch issue CVE-2025-21681 in the Linux kernel caused a lockup in skb_tx_hash when a netdev is unregistering with carrier reported as ON. The root cause was a loop in skb_tx_hash that could spin when dev->real_num_tx_queues goes to zero, especially for devices that report carrier state ...

CVE-2024-58063

CVE-2024-58063 affects the Linux kernel wireless stack (rtlwifi). The described issue is memory leaks and invalid access on probe error paths in the rtlwifi PCI handling, with deinitialization performed in reverse order when probe fails. Specifically, when init_sw_vars fails, rtl_deinit_core shou...

CVE-2025-21864

CVE-2025-21864 affects the Linux kernel TCP path. The issue arises when netns are deleted and an skb defers free, leaving a lingering reference to an xfrm_state via the secpath attached to the skb. The kernel previously dropped dst but not the secpath; the fix drops the secpath in the TCP receive...

CVE-2025-21917

Summary of CVE-2025-21917 (Renesas USBHS issue) : In the Linux kernel, the USB Renesas USBHS driver (usb: renesas_usbhs) could crash when performing continuous unbind/bind operations on USB drivers for the Renesas RZ/G2L SoC. The root cause is related to the usbhsc_notify_hotplug() path and invol...

CVE-2025-37758

CVE-2025-37758 affects the Linux kernel’s ata_pxa driver. The root cause was a potential NULL pointer dereference in pxa_ata_probe() when devm_ioremap() returns NULL. The fix adds a NULL check after devm_ioremap() to prevent dereferencing NULL.

CVE-2026-31671

The CVE-2026-31671 issue is in the Linux kernel xfrm_user component. A struct xfrm_user_report includes a __u8 proto field followed by a struct xfrm_selector, creating three padding bytes that were never zeroed before copying to userspace. The vulnerability is a information leak caused by these u...

CVE-2026-46195

The CVE-2026-46195 entry concerns a Linux kernel SMB client vulnerability. 32-bit servers can supply a crafted dacloffset that wraps a DACL pointer, allowing dereferencing of DACL fields during chmod/chown if validated only after pointer arithmetic. The flaw occurs in parse_sec_desc(), build_sec_...

CVE-2026-53366

CVE-2026-53366 affects the Linux kernel IPv4 path. In __ip_append_data(), the paged-allocation branch miscomputed alloclen/pagedlen due to fraggap carried from the previous skb, causing the linear area to be undersized. The patch corrects this by adding the fraggap to alloclen and subtracting it ...

CVE-2013-0871

CVE-2013-0871 refers to a race condition in the Linux kernel’s ptrace implementation (PTRACE_SETREGS) that could allow a local user to gain privileges. The issue is in kernels prior to 3.7.5, with the ChangeLog for 3.7.5 documenting the fix. Affected component: Linux kernel (pre-3.7.5); root caus...

CVE-2015-7513

The CVE-2015-7513 vulnerability affects arch/x86/kvm/x86.c in the Linux kernel prior to 4.4, where PIT counter values are not reset during guest state restoration. This can allow guest OS users to trigger a denial-of-service (divide-by-zero) and host crash via a zero PIT value, related to kvm_vm_...

CVE-2016-2187

No new technical details are provided in the Connected documents for CVE-2016-2187. The only available information is in the Initial document, describing a Linux kernel denial-of-service via gtco_probe in gtco.c caused by a crafted USB endpoint in a device descriptor.

CVE-2017-6951

CVE-2017-6951 : A local denial-of-service in the Linux kernel is caused by a NULL pointer dereference in keyring_search_aux in security/keys/keyring.c when a request_key is used on the dead type. Exploitation could crash the system (OOPS). Affected: Linux kernel up to 3.14.79; impact is local, wi...

CVE-2021-47289

CVE-2021-47289 in the Linux kernel fixes a NULL pointer dereference in ACPI: utils when calling acpi_dev_put() on a possibly NULL pointer. The patch makes acpi_dev_put() silently accept NULL (avoiding downcalls with a NULL offset). The public advisory notes the change as part of resolving the ACP...

CVE-2021-47352

CVE-2021-47352 affects the Linux kernel’s virtio-net code. The issue arises from missing validation of the length reported by a device, which could lead to data corruption or loss. Affected context is confirmed by MiracleLinux/Nessus advisories that reference “virtio-net: Add validation for used ...

CVE-2021-47456

CVE-2021-47456 affects the Linux kernel, specifically the peak_pci driver. The issue is a use-after-free (UAF) that occurs when removing the peak_pci module and the code references 'chan' after releasing 'dev'. The patch fixes the UAF by delaying the release of 'dev'. Logs reference KASAN: use-af...

CVE-2022-2318

CVE-2022-2318 is a use-after-free vulnerability in the Linux kernel's Rose (net/rose/rose_timer.c) timer handler that can cause denial of service (crash) with local privileges. Connected advisories confirm the vulnerability affects Linux kernel releases and note fixed versions: Debian security ad...

CVE-2022-48991

The CVE-2022-48991 entry corresponds to a Linux kernel issue in mm/khugepaged where MMU notifiers must be invoked in shmem/file collapse paths. The vulnerability could allow page use-after-free on pages mirrored by secondary MMUs (e.g., KVM) if present PTEs are removed without proper notification...

CVE-2023-52703

Summary: CVE-2023-52703 is a Linux kernel vulnerability in the USB subsystem (net/usb kalmia) where act_len was uninitialized in the usb_bulk_msg error path in kalmia_send_init_packet(). The kernel fix removes passing act_len to the usb_bulk_msg error paths, since the value would be from the firs...

CVE-2024-26718

CVE-2024-26718 affects the Linux kernel’s dm-crypt and dm-verity components. The issue arises from a memory‑corruption scenario in tasklets: tasklet_action_common calls tasklet_trylock, then the tasklet callback, then tasklet_unlock; if the callback frees the tasklet’s containing structure (or fr...

CVE-2024-26725

CVE-2024-26725 affects the Linux kernel. The issue is an ABBA deadlock during netlink pin dump where the code acquires dpll_lock in a genl/ netlink dump path and then re-acquires a second lock via netlink_dump, creating a circular lock dependency. The root cause is the order of lock acquisition w...

CVE-2024-26786

Technical details not publicly disclosed in the provided documents. CVE-2024-26786: Linux kernel iommufd fix for iopt_access_list_id overwrite; adds new_id and updates iopt_access_list_id only on success (root cause: iova alignment check failure).

CVE-2024-26945

CVE-2024-26945 affects the Linux kernel crypto: iaa code. The root cause is when nr_cpus = 1 when nr_iaa > 0 or when nr_iaa == 0. If exploitation details or versioned fixes are needed, refer to the kernel patch references in the CVE record.

CVE-2024-35827

CVE-2024-35827 – Linux kernel io_uring/net overflow fix : The vulnerability arises in io_recvmsg_mshot_prep() where a size_t controllen (unsigned long) is cast to int for overflow checking, allowing an overflow misinterpretation if the value becomes negative. The check_add_overflow() logic depend...

CVE-2024-35891

CVE-2024-35891: In the Linux kernel, lan8814_get_sig_rx() and lan8814_get_sig_tx() may dereference a NULL ptp_header returned by ptp_parse_header() for abnormal or corrupted packets. The fix adds a check for ptp_header to prevent a potential null pointer dereference. Connected advisories confirm ...

CVE-2024-36881

CVE-2024-36881: Linux kernel mm/userfaultfd vulnerability where wr-protected page table entries (uffd_wp) were not cleared on close(), only on UFFDIO_UNREGISTER. The fix unregisters wr-protect bits during close() as well, eliminating potential leftovers in pgtable entries and preventing WARN repo...

CVE-2024-36936

The CVE-2024-36936 issue affects the Linux kernel's memory-accept path under efi/unaccepted. The root cause was a soft lockup scenario caused by a spinlock held during memory acceptance, which could intermittently trigger a watchdog/softlockup on the CPU during large TD guest memory loads. The fi...

CVE-2024-36972

CVE-2024-36972 : In the Linux kernel, a race between __unix_gc() and queue_oob() can occur for unix sockets if MSG_OOB is queued while unix_sk(sk)->oob_skb is being garbage-collected. The code previously touched oob_skb without holding the sk_receive_queue lock, allowing a concurrent update to...

CVE-2024-39298

CVE-2024-39298 affects the Linux kernel memory failure path (mm/memory-failure) and is tied to a race in handling dissolved but not removed pages from buddy pages (hugetlb). The provided trace shows a bug path where a buddy page is dissolved/unpoisoned, leading to a VM_BUG_ON_PAGE(!PageBuddy(page...

CVE-2024-39506

CVE-2024-39506 (Linux kernel) : The issue arises in the liquidio driver path within lio_vf_rep_copy_packet(), where pg_info->page is compared to NULL but then unconditionally passed to skb_add_rx_frag(), risking a NULL pointer dereference. The problem trace shows the path from octeon_droq_proc...

CVE-2024-43854

The CVE-2024-43854 entry relates to the Linux kernel vulnerability where the integrity buffer used for media writes was not zero-initialized. Root cause: metadata allocated by bio_integrity_prep used plain kmalloc, risking writing random kernel memory into media; PI metadata exposure is limited, ...

CVE-2024-44965

CVE-2024-44965 is a Linux kernel vulnerability where pti_clone_pgtable() made alignment assumptions (PMD alignment) on the start address, which is valid on x86_64 but not on i386, causing the end condition to malfunction and potentially a short clone of user mappings. The issue could lead to trap...

CVE-2024-46859

CVE-2024-46859 is a Linux kernel vulnerability affecting the panasonic-laptop code. The issue arises from unvalidated SINF array indices (0–SINF_CUR_BRIGHT, 0x0d), risking out-of-bounds accesses on devices with fewer SINF entries (e.g., CF-18 has ~10). The fix adds a minimum SINF array size check...

CVE-2024-46860

CVE-2024-46860 refers to a Linux kernel vulnerability in the wifi subsystem: mt76 mt7921 code path may dereference a NULL mvif->phy when mt7921_ipv6_addr_change is invoked as a notifier while disabling wifi. The description states the fix prevents access to a NULL mvif->phy, addressing a NU...

CVE-2024-47689

CVE-2024-47689 affects the Linux kernel (F2FS). The vulnerability stems from f2fs_handle_critical_error() setting SB_RDONLY instead of using the filesystem’s unmount/remount protection, causing a race with freeze/thaw. Root cause: f2fs sets SB_RDONLY in an internal path; remediation proposed/impl...

CVE-2024-47754

CVE-2024-47754 affects the Linux kernel media/mediatek vcodec H264 multi stateless decoder. The issue arises from a smatch static checker warning in vdec_h264_req_multi_if.c, which can trigger a kernel crash when fb is NULL. The connected documents confirm fixes in the kernel (repairs to the smat...

CVE-2024-49952

The CVE-2024-49952 vulnerability affects the Linux kernel nf_tables/netfilter path, caused by unsafe writes to per-CPU nf_skb_duplicated in nf_dup_ipv4()/nf_dup_ipv6() when preemption is enabled. The issue arises because __this_cpu_write() is used in preemptible code, risking corruption of the pe...

CVE-2024-50060

CVE-2024-50060 is documented in the IBM bulletin as a Linux kernel vulnerability fix for the io_uring subsystem. The issue involved the need to reschedule during overflow flush in io_uring handling. The described root cause notes that overflow entries can accumulate and flushing could take a long...

CVE-2024-50095

CVE-2024-50095 affects the Linux kernel’s RDMA/mad path. The vulnerability stemmed from the current timeout handler for mad agents, which acquired and released mad_agent_priv for every timed-out work request (WR), causing heavy locking contention when many WRs must be processed, potentially leadi...

CVE-2024-53171

CVE-2024-53171 affects the Linux kernel ubifs authentication path. The published details describe a use-after-free in ubifs_tnc_end_commit arising when a node’s znode->parent changes due to a tree split, while the node’s znode->cparent may still point to freed memory after deletions. The is...

CVE-2024-54460

Technical details for CVE-2024-54460 are not present in the provided documents. No affected products, versions, or remediation are disclosed here. Monitor vendor advisories for updates.

CVE-2024-56587

CVE-2024-56587: In the Linux kernel, a NULL pointer dereference can occur in the LEDs class when brightness_show() accesses led->cdev attributes without proper synchronization. The issue arises during inter-process interaction when a HID device creates a led and a subsequent access from anothe...

CVE-2024-56724

CVE-2024-56724 affects the Linux kernel MFD driver for Intel/PMIC (intel_soc_pmic_bxtwc). The connected docs confirm a concrete root cause: the driver previously treated TMU devices under a single IRQ domain, causing mismatched IRQ domains across MFD devices. The fix is to rework the driver to us...

CVE-2024-56765

CVE-2024-56765 relates to the Linux kernel (powerpc/pseries/vas) where a close() callback was added to vas_vm_ops to fix a use-after-free/memory access during migration. The vulnerability stemmed from the VAS window’s VMA address being saved when a paste address is mapped and not being updated up...

CVE-2025-21787

CVE-2025-21787 affects the Linux kernel's team subsystem due to insufficient validation of TEAM_OPTION_TYPE_STRING in the net/TEAM code paths. The root cause is validated data handling in team_mode_get/ team_mode_option_set/ team_option_set, with inline occurrences in team_core.c:480, 607, 1401 a...

CVE-2025-21839

CVE-2025-21839 concerns the Linux kernel KVM DR6 handling. The core issue is that DR6 value loading was handled differently from DR0–DR3, with the guest DR6 value being loaded inside the core vcpu_run loop for KVM_DEBUGREG_BP_ENABLED, and saved on VM-Exit outside the loop. This could allow a gues...

CVE-2025-21844

Technical details are not publicly available in the provided documents; no connected documents with concrete details for CVE-2025-21844. Monitor for updates.

CVE-2025-21905

CVE-2025-21905 refers to a Linux kernel issue in the iwlwifi path where a printed string from a firmware TLV could read beyond the buffer due to missing NUL-termination. The root cause is printing beyond the end of the TLV if the file isn’t NUL-terminated, potentially reading past the file buffer...

CVE-2025-23136

CVE-2025-23136 (Linux kernel, thermal/int340x): The issue arises when an ACPI companion fwnode is missing and the kernel may dereference a NULL adev in int3402_thermal_probe() (and similarly in int3400_thermal_probe()). The fix adds a NULL check for adev and returns -ENODEV when it is not set, pr...

CVE-2025-37741

CVE-2025-37741 affects the Linux kernel JFS, where a race/locking path can lead to a deadlock in diFree when nlink is incorrectly derived as 0. Root cause: during inode handling for iag creation, a corrupted metapage can cause dinode’s nlink to be copied as 0, triggering diFree and a deadlock seq...

CVE-2026-23270

CVE-2026-23270 pertains to the Linux kernel net/sched subsystem. The fix restricts the use of TC action act_ct to only bind to clsact/ingress qdiscs and shared blocks, preventing its use on the egress path. The change addresses a scenario where classify could return TC_ACT_CONSUMED while the skb ...