CVE-2025-71286

In CVE-2025-71286, the Linux kernel ASoC: SOF IPC4 topology had an allocation size bug for bytes controls. The data behind scontrol->ipc_control_data consisted of the kernel struct plus a header and payload, but the max_size was calculated from topology and didn’t account for the kernel-only s...

CVE-2026-23018

CVE-2026-23018 describes a Linux kernel vulnerability in the btrfs code path. In btrfs_read_locked_inode(), a path with a read-locked leaf from a subvolume tree is used while calling btrfs_init_file_extent_tree(), which may perform GFP_KERNEL allocations and trigger memory reclaim. This can creat...

CVE-2026-23076

CVE-2026-23076 affects the Linux kernel ALSA ctxfi driver: a potential out-of-bounds access in the audio mixer handling due to using conj as a loop index and referencing it in amixer_index() and sum_index(). The issue stems from lack of proper re-initialization of conj, enabling OOB reads at ctam...

CVE-2026-23144

CVE-2026-23144 affects the Linux kernel in mm/damon/sysfs where, on context dir setup failure, subdirectories under attrs/ aren’t cleaned up. This leaves the DAMON sysfs interface effectively broken until reboot and leaks memory from unremoved directories. The issue is fixed by cleaning up those ...

CVE-2026-23151

CVE-2026-23151 in the Linux kernel Bluetooth MGMT path fixes a memory leak in set_ssp_complete due to missing mgmt_pending_free(cmd) calls (and similarly in set_advertising_complete).Root cause: mgmt_pending_cmd structures and their data were not freed after SSP commands completed, after a prior ...

CVE-2026-23253

CVE-2026-23253 affects the Linux kernel dvb-core/dvb_dvr_open path where reinitializing the shared dvr_buffer waitqueue via dvb_ringbuffer_init() could leave stale waitqueue entries. The fix uses direct data/size assignment and calls dvb_ringbuffer_reset() instead, avoiding waitqueue/spinlock tou...

CVE-2026-23340

CVE-2026-23340 affects the Linux kernel net sched subsystem where qdisc_reset_all_tx_gt() can race with the lockless dequeue path, potentially causing use-after-free of skbs when the number of real TX queues changes (e.g., via ethtool -L on virtio-net). The fix is to serialize qdisc_reset() again...

CVE-2026-23376

CVE-2026-23376 affects the Linux kernel nvmet-fcloop component. The vulnerability arises from not checking remoteport port_state before freeing resources in the fcloop_t2h_xmt_ls_rsp path, where lsrsp resources may be freed incorrectly if the remote port is not online. The fix updates fcloop_t2h_...

CVE-2026-23387

The CVE-2026-23387 issue concerns the Linux kernel fix for a double-put in pinctrl/cirrus cs42l43 handling during cs42l43_pin_probe, caused by an explicit put after devm_add_action_or_reset() already performing an action on failure. Connected OSV entries (ROOT-OS-DEBIAN-13-CVE-2026-23387 and ROOT...

CVE-2026-23397

CVE-2026-23397 affects the Linux kernel nfnetlink_osf fingerprint matching. The issue arises when parsing TCP option fingerprints: add-time checks for option lengths are insufficient, allowing a zero-length option to bypass bounds checks and potentially trigger a fault in nf_osf_match_one() (kern...

CVE-2026-23429

The CVE-2026-23429 issue affects the Linux kernel IOMMU/SVA subsystem. The root cause is that after iommu_domain_free() returns, code may dereference domain->mm->iommu_mm, which can lead to a crash. The published fix moves the access to domain->mm->iommu_mm to before the call to iommu...

CVE-2026-23442

The CVE-2026-23442 issue affects the Linux kernel’s IPv6 SRv6 handling. Specifically, __in6_dev_get() may return NULL when a device has no IPv6 configuration (e.g., MTU too small or after NETDEV_UNREGISTER), which could lead to NULL pointer dereferences in seg6_hmac_validate_skb() and ipv6_srh_rc...

CVE-2026-23469

CVE-2026-23469 concerns the Linux kernel’s drm/imagination driver, where a race between the Runtime PM suspend callback and the IRQ handler could let the IRQ thread access GPU registers while the GPU is suspended. The description in multiple sources states that synchronize_irq() should be awaited...

CVE-2026-31436

Summary of CVE-2026-31436 : The Linux kernel’s dmaengine idxd driver contains a bug in the llist_abort_desc() function where the code completes the wrong descriptor (the variable “found” rather than the traversal cursor “d”) as the function unwinds a doubly linked list. This can lead to NULL poin...

CVE-2026-31472

CVE-2026-31472 concerns the Linux kernel, specifically the xfrm/ IPTFS path. A crafted ESP packet with an inner IPv4 header can cause an infinite loop in __input_process_payload() if the inner header has tot_len=0 or malformed ihl. The fix adds validation to reject inner packets where tot_len &lt...

CVE-2026-31518

CVE-2026-31518 affects the Linux kernel espintcp path when using asynchronous crypto. If the TX queue for espintcp is full, esp_output_tail_tcp returns an error and the skb is not freed under earlier synchronous handling; with async crypto (esp_output_done) the skb must be dropped when esp_output...

CVE-2026-31543

The CVE-2026-31543 entry concerns the Linux kernel. A vulnerability in crash_dump/logging: read_key_from_user_keying() incorrectly logged the first 8 bytes of the key payload when debug logging was enabled, partially exposing the dm-crypt key. The issue is resolved by stopping logging any key byt...

CVE-2026-31562

Summary: CVE-2026-31562 affects the Linux kernel DRM/mediatek DSI driver. A local attacker could trigger a NULL pointer dereference due to an uninitialized drvdata being read during mipi_dsi_host_register, causing a crash in mediatek-drm probe and blocking subsequent DRM operations. The fixed beh...

CVE-2026-31579

The CVE-2026-31579 issue affects the Linux kernel’s WireGuard integration where wg_netns_pre_exit() manually acquired rtnl_lock(), risking a hung task when another thread holds the RTNL mutex. The vulnerability is mitigated by moving the cleanup to the .exit_rtnl hook (which the framework already...

CVE-2026-31598

Summary of CVE-2026-31598 (ocfs2 deadlock) : In the Linux kernel OCFS2, a potential deadlock arises from ABBA lock ordering between unlink and dio_end_io_write. The path in unlink acquires inode_lock (orphan_dir_inode) before ip_alloc_sem, while dio_end_io_write acquires ip_alloc_sem first, then ...

CVE-2026-31624

CVE-2026-31624) affects the Linux kernel HID core. The vulnerability arises when a HID device supplies a report descriptor with a large report_size, causing s32ton() to shift by n-1 with n > 32. The issue is resolved by clamping n to the same maximum used by snto32(), per commit ec61b41918587,...

CVE-2026-31630

The CVE-2026-31630 issue affects the Linux kernel RXRPC procfs address formatting: AF_RXRPC procfs helpers used fixed 50-byte buffers to render local/remote socket addresses with "%pISpc", which is insufficient for the longest current IPv6-with-port forms (notably ISATAP paths). The root cause is...

CVE-2026-31640

CVE-2026-31640 affects the Linux kernel rxrpc component. The issue occurs in rxrpc_post_response() where the code compares the challenge serial number using the newer packet private data instead of the cached/older response, causing the comparison to always be false and potentially preventing the...

CVE-2026-31646

CVE-2026-31646 affects the Linux kernel LAN966X driver. The root cause is improper handling of the return value from page_pool_create(): on failure it can yield an ERR_PTR that is unconditionally passed through xdp_rxq_info_reg_mem_model() into page_pool_use_xdp_mem(), where it is dereferenced, c...

CVE-2026-31656

The CVE-2026-31656 issue affects the Linux kernel in the drm/i915/gt path, where a race between the heartbeat worker and intel_engine_park_heartbeat() can cause a refcount underflow and potential use-after-free of engine->heartbeat.systole. Root cause: a non-atomic read of the pointer followed...

CVE-2026-31678

CVE-2026-31678 – Linux kernel Open vSwitch tunnel netdev handling fix. The issue arose when ovs_netdev_tunnel_destroy() could run after NETDEV_UNREGISTER detached the device, risking a race as it dropped the netdev reference while readers still observed vport->dev. The resolution is to not rel...

CVE-2026-31696

Summary (CVE-2026-31696) : In the Linux kernel’s rxrpc code, the non-XDR key parsing path (rxrpc_preparse()) lacked a validation check for ticket length, unlike the XDR path. This allowed an unprivileged user to supply a very large ticket length, causing the computed total token size (toksize) to...

CVE-2026-31779

The CVE-2026-31779 issue is in the Linux kernel’s wifi iw lwifi mvm path, specifically iwl_mvm_nd_match_info_handler(). A memcpy may copy more bytes than the dynamic notif->matches array can safely hold, enabling an out-of-bounds read and potential information disclosure. Debian and Red Hat ad...

CVE-2026-43005

CVE-2026-43005 affects the Linux kernel hwmon driver for tps53679. The bug arises when i2c_smbus_read_block_data() returns 0 (zero-length read); tps53679_identify_chip() then accesses buf[ret-1] (buf[-1]), causing an out-of-bounds read. The fix changes the check from ret < 0 to ret

CVE-2026-43030

CVE-2026-43030 affects the Linux kernel BPF subsystem (regsafe). A logic error in regsafe() for pointers to packets when rold->reg->range == BEYOND_PKT_END and rcur->reg->range == N could allow a state where valid packet ranges are not explored, potentially enabling privilege escalati...

CVE-2026-43066

CVE-2026-43066: In Linux kernel ext4_fc_replay_inode(), iloc.bh leak could occur on error paths due to missing brelse at several failure points. The patch adds an out_brelse label before the existing out label to ensure iloc.bh is released, and also makes ext4_fc_replay_inode() propagate errors i...

CVE-2026-43069

CVE-2026-43069 concerns the Linux kernel Bluetooth stack (hci_ll). The issue arises when download_firmware() succeeds in request_firmware() but returns invalid content (no data/zero size), causing a resource leak because firmware is not released. The fix introduced is to call release_firmware() b...

CVE-2026-43085

CVE-2026-43085: In the Linux kernel, nfnetlink_log did not initialize the nfgenmsg payload when emitting NLMSG_DONE terminators while batching multiple NFLOG messages, leaking four bytes of stale heap data to userspace. The issue is fixed by using nfnl_msg_put() to build the NLMSG_DONE terminator...

CVE-2026-43089

CVE-2026-43089 : In the Linux kernel, the xfrm_user component exposes an information-disclosure vulnerability caused by a one-byte padding hole in struct xfrm_usersa_id that was not zeroed before copying to userspace. The fix zeros the entire structure before setting fields (build_mapping path). ...

CVE-2026-43148

The CVE-2026-43148 issue concerns the Linux kernel, specifically the powerpc/smp code path for parse_thread_groups(). A missing check for the return value of kcalloc() could allow a NULL pointer dereference when the allocation result is later used by of_property_read_u32_array(). The vulnerabilit...

CVE-2026-43151

CVE-2026-43151 : Linux kernel issue resolved by reverting the Iris video driver stop streaming sanity check. The revert re-enabled stop_streaming when the IRIS_INST_ERROR path, correcting prior regressions where buffers were not returned to vb2 and teardown could fail, leaving firmware in an inco...

CVE-2026-43161

CVE-2026-43161 is a Linux kernel IOMMU VT-d vulnerability related to ATS invalidation when a PCIe endpoint loses connection. In scalable-mode-disabled/unsupported systems, an endpoint link drop can cause the IOMMU to wait indefinitely for an ATS invalidation, leading to a host hard-lock (notably ...

CVE-2026-43183

In the Linux kernel, the media cx25821 driver fixes a resource leak in cx25821_dev_setup() where memory allocated via ioremap() is not released if setup fails. The patch adds release_mem_region() to free the memory region obtained by cx25821_get_resources(). This is the scope of CVE-2026-43183 as...

CVE-2026-43196

CVE-2026-43196 affects the Linux kernel PRUSS clock multiplexer path (pruss_clk_mux_setup). The issue is a double free: devm_add_action_or_reset() path frees a resource via pruss_of_free_clk_provider(), which calls of_node_put(clk_mux_np) on error, and a second of_node_put is executed after the p...

CVE-2026-43214

The CVE-2026-43214 issue concerns Linux kernel KVM on x86: when reading PDPTRs in __get_sregs2(), SRCU read-side protection was missing. The root cause is that kvm_pdptr_read() may dereference guest memory via a chain (svm_cache_reg -> load_pdptrs -> kvm_vcpu_read_guest_page -> kvm_vcpu_...

CVE-2026-43231

CVE-2026-43231 : In the Linux kernel, the media: radio-keene driver has a memory-leak in usb_keene_probe() where the v4l2 control handler is not freed if registration fails. The underlying issue is that the v4l2_ctrl_handler is initialized and controls are added, but error paths after v4l2_device...

CVE-2026-43245

CVE-2026-43245 affects the Linux kernel NTFS driver. The root cause is that ntfs: ->d_compare() could block, with related memory-allocation issues in names_cachep. The authenticated fixes switch critical paths to non-blocking allocations: use kmalloc(PATH_MAX, GFP_NOWAIT) for the path/name han...

CVE-2026-43267

The CVE-2026-43267 issue affects the Linux kernel wifi stack, specifically the rt89 beacon tracking path. The root cause is that the bss_conf->beacon_int value can be zero, which leads to a division-by-zero in subsequent calculations. The fix introduces a safe default by setting beacon interva...

CVE-2026-43306

CVE-2026-43306 affects the Linux kernel due to bpf: crypto: Use the correct destructor kfunc type. With CONFIG_CFI enabled, indirect calls must match the target function’s pointer type. In the reported case, a CFI failure occurred at bpf_obj_free_fields while freeing a BPF crypto context, signali...

CVE-2026-43326

The CVE-2026-43326 entry documents a Linux kernel sched_ext deadlock vulnerability (SCX_KICK_WAIT) where CPUs busy-waited in kick_cpus_irq_workfn() and could form a cycle, freezing the system. The fix defers the wait to a balance callback by replacing the busy-wait with resched_curr(), forcing th...

CVE-2026-43328

Root cause: in the Linux kernel cpufreq governor, the error path in cpufreq_dbs_governor_init() could trigger a double free when kobject_init_and_add() fails. The kobject release path previously attempted cleanup via gov->exit(dbs_data) and kfree(dbs_data) twice. The fix keeps a direct kfree(d...

CVE-2026-43363

CVE-2026-43363 concerns the Linux kernel x86 APIC subsystem. If, on resume from s2ram (S2/S3 wake), firmware re-enables x2APIC mode after the kernel has booted with x2APIC disabled, the system can run with x2APIC hardware but the kernel uses the xapic interface, leading to hangs. The issue is cau...

CVE-2026-43371

The CVE-2026-43371 details the Linux kernel macb driver fault where disabling transmit resets tx_head/tx_tail to 0, causing silent loss of queued packets, memory leaks, and race conditions between macb_tx_poll() and macb_start_xmit(). This can prolong recovery after suspend (e.g., NFS rootfs on A...

CVE-2026-43381

Summary : CVE-2026-43381 affects the Linux kernel nouveau driver. When runtime-suspend is active, a userspace process accessing /dev/drm_dp_* can trigger a system crash instead of receiving a proper busy status. The root cause is in the nouveau/dpcd path, where aux transfers may incorrectly crash...

CVE-2026-43402

Summary: CVE-2026-43402 affects the Linux kernel where kthread exit paths were consolidated to prevent a use-after-free in the kthread/pid data cleanup, after crashes traced to corrupted RCU function pointers during KUnit tests. The root cause involves a pid hashtable conversion changing structur...