CVE-2026-23402

CVE-2026-23402 affects the Linux kernel KVM MMU on x86. The issue arises when overwriting a shadow-present SPTE with a different PFN, where KVM’s sanity check could allow harmful state changes in direct MMUs (i.e., MMUs without shadowed gPTEs). The problem is tracked in KVM’s mmu_set_spte path, a...

CVE-2026-23407

The CVE-2026-23407 issue affects the Linux kernel AppArmor DFA verification. The root cause is a missing bounds check on DEFAULT_TABLE in verify_dfa(), which can read k = DEFAULT_TABLE[j] as an index without validation when traversing the differential encoding chain, allowing out-of-bounds reads/...

CVE-2026-23414

CVE-2026-23414 is addressed in the Linux kernel TLS code. The vulnerability involved the async_hold queue that pins encrypted input skbs while AEAD operations reference scatterlist data. The fix centralizes purge of async_hold in tls_decrypt_async_wait(), ensuring all callers (recvmsg drain path,...

CVE-2026-31390

CVE-2026-31390 affects the Linux kernel's drm/xe path, causing a memory leak in the function path used by xe_vm_madvise_ioctl when check_bo_args_are_sane() validation fails. The underlying issue was incorrect resource cleanup, now addressed by jumping to a new free_vmas cleanup label to properly ...

CVE-2026-31444

CVE-2026-31444 affects ksmbd in the Linux kernel. The vulnerability arises from two flaws in the oplock publication sequence inside smb_grant_oplock(): (1) opinfo is linked into ci->m_op_list before add_lease_global_list(), so if that call fails, a freed node is dereferenced by concurrent read...

CVE-2026-31486

The CVE-2026-31486 entry concerns the Linux kernel hwmon/pmbus/core regulator operations (get_voltage, set_voltage, list_voltage) not being mutex-protected, risking race conditions when accessing PMBus registers and shared data. The fix reworks pmbus_regulator_notify() to perform notifications vi...

CVE-2026-31498

Linux kernel CVE-2026-31498 affects Bluetooth L2CAP by exposing memory leaks during reconfiguration (ERTM data structures) and a zero-valued max_pdu_size path that can lead to an infinite loop in l2cap_segment_sdu. Root cause: reconfiguration previously re-initialized ERTM state and NULL’d sdu wi...

CVE-2026-31500

The CVE-2026-31500 issue affects the Linux kernel Bluetooth Intel btintel driver. A data race allowed two __hci_cmd_sync() paths (HCI_OP_RESET and Intel-exception-info) to run without hci_req_sync_lock, risking concurrent access to hdev->req_status/req_rsp and a slab-use-after-free in kfree_sk...

CVE-2026-31512

Mode C CVE-2026-31512 affects the Linux kernel Bluetooth L2CAP path. The vulnerability arises in l2cap_ecred_data_rcv() where the SDU length is read from skb->data using get_unaligned_le16() without first ensuring skb contains at least 2 bytes (L2CAP_SDULEN_SIZE). If skb->len

CVE-2026-31546

The CVE-2026-31546 fix applies to the Linux kernel bonding driver: bond_debug_rlb_hash_show could dereference a NULL slave, leading to a kernel NULL pointer dereference and potential DoS. The mitigation is to add a NULL check and print "(none)" for entries with no assigned slave; other code paths...

CVE-2026-31643

CVE-2026-31643 covers a Linux kernel rxrpc memleak in the key parsing path. In rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk could leak on several error paths after allocation. The issue is mitigated by freeing the allocated memory in the reject_token: path. Technical cover...

CVE-2026-31691

The CVE-2026-31691 vulnerability affects the Linux kernel igb driver. It describes a race where igb_down() calls napi_synchronize() before napi_disable(), causing a hang: napi_synchronize() waits on NAPI_STATE_SCHED that never clears, blocking TX and leaving the TX queue stalled. The fix removes ...

CVE-2026-31713

The CVE concerns the Linux kernel FUSE handling during sync init. When a FUSE server exits unexpectedly while processing FUSE_INIT, the mounting thread keeps the device fd open, preventing an abort and causing filesystem creation to hang. This is a regression relative to the async mount path, whe...

CVE-2026-31728

The CVE-2026-31728 issue in the Linux kernel affects usb: gadget: u_ether, where a race between gether_disconnect() and eth_stop() could dereference a cleared endpoint descriptor, causing a NULL pointer dereference and a potential hardlockup. The root cause is the delayed clearing of dev->port...

CVE-2026-31731

In CVE-2026-31731, the Linux kernel thermal management subsystem has a race where a thermal zone removal during resume can cause use-after-free. Root cause: thermal_zone_pm_complete() and thermal_zone_device_resume() re-initialize the poll_queue delayed work, so cancel_delayed_work_sync() in ther...

CVE-2026-31749

Technical details for CVE-2026-31749 are not publicly provided in the supplied connected documents; no vendor/product/versions, root cause, or remediation are described beyond the initial summary. Monitor for updates.

CVE-2026-31750

CVE-2026-31750 affects the Linux kernel comedi driver. The issue is a memory leak where chanlist was not freed in the exceptional exit path of do_cmd_ioctl because runflags may be unset; do_become_nonbusy() previously freed chanlist only when runflags were set. The fix adds a check in do_become_n...

CVE-2026-43026

CVE-2026-43026 concerns the Linux kernel netfilter ctnetlink path: when CTA_EXPECT_NAT is absent, ctnetlink_alloc_expect() can leave saved_addr and saved_proto uninitialized, risking leakage of stale data. The safe nf_ct_expect_init() in the packet path zeros these fields, and the patch adds expl...

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-2026-43086

CVE-2026-43086 concerns the Linux kernel IPVS component. The vulnerability occurs in the error path of ip_vs_add_service when ip_vs_bind_scheduler() has succeeded and the local variable sched is set to NULL; if ip_vs_start_estimator() then fails, ip_vs_unbind_scheduler(svc, sched) is invoked with...

CVE-2026-43118

This CVE-2026-43118 concerns a Btrfs log replay data integrity issue in the Linux kernel where truncating a file to zero and then creating a hardlink, followed by a power failure and log replay, could leave the original size unchanged. Root cause: during inode logging, a 0 generation is written f...

CVE-2026-43169

The CVE-2026-43169 issue lies in the Linux kernel DRM_BUDDY code (drm/buddy) where contiguous allocations (and large non-contiguous allocations) are rounded up to a power of two or aligned, potentially producing a size > mm->size and triggering BUG_ON(order > mm->max_order). If such a...

CVE-2026-43178

In the Linux kernel, the procfs component has a vulnerability in do_procmap_query() that can trigger a double mmput() of an mm_struct when a user passes an incorrectly sized buffer for PROCMAP_QUERY's build ID. The root cause is a change that defers cleanup after unlocking mmap_lock and per-VMA, ...

CVE-2026-43181

The CVE-2026-43181 issue affects the Linux kernel GPIO/sysfs path: exporting a GPIO via sysfs and then unbinding the parent GPIO controller can leave the exported /sys/class/gpio attribute active, as the descriptor can no longer be dropped after the parent device is removed. The mitigation implem...

CVE-2026-43189

The CVE-2026-43189 issue affects the Linux kernel’s media/v4l2-async matching workflow. When an async connection matches with a firmware node, a sub-device may be registered, its bound operation invoked, ancillary links created, and the connection added to the sub-device’s list before moving on t...

CVE-2026-43200

The CVE-2026-43200 issue affects the Linux kernel PCI endpoint functionality. Specifically, pci_primary_epc_epf_unlink() and pci_secondary_epc_epf_unlink() swap parameters in their configfs unlink paths, which can trigger a kernel crash when using unlink in configfs. Red Hat's advisory frames thi...

CVE-2026-43221

CVE-2026-43221 affects Linux kernel IPMI/IPMB: the event handler responsible for IPMB read bytes may fail to initialize reads, causing an I2C read to return an uninitialised value from the bus driver. This is described across multiple advisories (Root-OS-UBUNTU-2404, SUSE, Red Hat) as a patchable...

CVE-2026-43230

The CVE-2026-43230 issue affects the Linux kernel’s Reliable Datagram Sockets (RDS) by not clearing the reconnect-pending bit when canceling the reconnect worker before it has been scheduled. This can cause the system to believe a reconnect is pending indefinitely, potentially impairing network o...

CVE-2026-43293

CVE-2026-43293: Linux kernel wave5 media driver in polling mode fixes a race between hrtimer cancellation and kthread worker destruction. The wave5_vpu_timer_callback() queues work via kthread_queue_work(), and destroying the worker before cancelling the hrtimer could let the timer fire during de...

CVE-2026-43298

CVE-2026-43298 affects the Linux kernel drm/amdgpu driver. The issue arises during deinitialization where VF (Virtual Function) instances may attempt to release a VCN poison IRQ that was not enabled in VCNv2.5, causing a kernel warning in amdgpu_irq_put() and a potential instability. The disclose...

CVE-2026-43316

CVE-2026-43316 affects the Linux kernel, specifically the media/solo6x10 component. A signed shift could exceed 32 bits when compiled with UBSAN_SHIFT enabled, triggering undefined behavior; remediation added by checking the existing max chip_id and using an unsigned shift. This removes runtime i...

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-2026-43368

The CVE-2026-43368 entry concerns the Linux kernel DRM/i915 component (GEM shmem objects). A overflow can occur in the unsigned int .length field of a scatterlist when a scatterlists table for a GEM shmem object of 4 GB or more is built from folio-allocated pages, causing the total byte length of...

CVE-2026-43370

The CVE-2026-43370 issue affects the Linux kernel DRM/AMDGPU subsystem, specifically a use-after-free race in VM acquisition. Root cause: a non-atomic vm->process_info assignment could race when parent and child processes sharing a drm_file both attempt to acquire the same VM after fork(). The...

CVE-2026-43413

The CVE-2026-43413 entry concerns the Linux kernel HISI_SAS SCSI driver where user_scan() can trigger a NULL pointer dereference when scanning an unsupported channel (multi-channel scan path triggers for channel 1 even though hisi_sas supports only one channel). The exploit path is a NULL derefer...

CVE-2026-43419

CVE-2026-43419 affects the Linux kernel Ceph filesystem component, where ceph_mdsc_build_path() could leak memory via a path pointer obtained with __getname() if not freed or transferred. The fixes add __putname() calls in error paths and ensure the pointer is freed when ownership isn’t passed to...

CVE-2026-43449

CVE-2026-43449 concerns the Linux kernel NVMe PCI driver. The issue is a slab-out-of-bounds write in nvme_dbbuf_set caused by an incorrect loop bound when indexing dev->online_queues; index 0 (admin queue) is excluded, but the loop could overrun. The vulnerability is evidenced by KASAN reports...

CVE-2026-45907

CVE-2026-45907 details a Linux kernel mlx5e netdev deadlock caused by incorrect lock ordering between devlink, rtnl, and netdev locks during recovery paths. The fix modifies several recovery flows to move netdev_trylock usage from lower-level work handlers to earlier points in the call chain (as ...

CVE-2026-45955

Summary (CVE-2026-45955): In the Linux kernel, the md/md-llbitmap path suffers a logic error where llbitmap_suspend_timeout() times out waiting for percpu_ref to reach zero and returns -ETIMEDOUT without resurrecting percpu_ref. This leaves the page control structure in a killed state, potentiall...

CVE-2026-52938

CVE-2026-52938 concerns a race in Linux kernel BPF storage: bpf_selem_unlink_nofail() clears smap before removal, allowing a concurrent reader in bpf_sk_storage_clone() to observe a NULL smap and dereference a NULL pointer, potentially crashing the kernel (DoS). Reports describe a null-ptr-deref ...

CVE-2026-52942

The CVE corresponds to a Linux kernel netfilter nf_log issue where the fallback dump_mac_header() could read past the buffer if the MAC header was not set. The root cause was testing mac_header against network_header without verifying skb_mac_header_was_set(), causing skb_mac_header to point far ...

CVE-2026-52953

The CVE-2026-52953 issue affects the Linux kernel IOMMU VT-d subsystem, where an out-of-scope memory access could trigger a general protection fault (kernel oops) when a QEMU process is terminated. The triggering path involves domain_remove_dev_pasid and related IOMMU PASID handling, with a dummy...

CVE-2026-52983

The CVE-2026-52983 issue concerns the Linux kernel airoha network driver where inflight packets were counted only for the AIROHA_NUM_TX_RING TX queues in airoha_dev_xmit(), while airoha_qdma_tx_napi_poll() aggregated completions across all netdev TX queues (num_tx_queues). This mismatch creates a...

CVE-2026-52985

CVE-2026-52985 concerns the Linux kernel in the netdevsim feature, where the IP header in a dummy skb was not zero-initialized in nsim_dev_trap_skb_build. The issue arises from using skb_put instead of skb_put_zero, leading to uninitialized values in the IP header and potential memory/safety impl...

CVE-2026-52987

In the Linux kernel, CVE-2026-52987 arises from drm/amdgpu: double calls to drm_exec_fini() in userq_validate when new_addition is true. The code calls drm_exec_fini(&exec) before iterating HMM ranges and then, if amdgpu_ttm_tt_get_user_pages() fails, executes a second drm_exec_fini(&exec) on the...

CVE-2026-52996

Technical details are not publicly available in the provided documents. Monitor for updates.

CVE-2026-52998

CVE-2026-52998 affects the Linux kernel’s netfilter nfnetlink_osf module. The nf_osf_ttl() function can dereference a device pointer (skb->dev) without validating the device, risking a NULL dereference. The patch removes the device dereference and the in_dev_for_each_ifa_rcu loop used to match...

CVE-2026-53001

CVE-2026-53001 in the Linux kernel concerns the netfilter xtables extensions. The fix partially reverts a previous change to restrict several matches (xt_mac, xt_owner, xt_physdev) to the inet family (IPv4/IPv6), with xt_realm limited to IPv4. The intent is to apply these restrictions and avoid u...

CVE-2026-53039

CVE-2026-53039 concerns the Linux kernel OCFS2 code where OCFS2_IOC_GROUP_ADD could trigger a BUG_ON in ocfs2_set_new_buffer_uptodate due to validating the group input too late. The root cause is user-controlled group block being cached before ocfs2_verify_group_and_input() validates it, and impr...

CVE-2026-53044

In the Linux kernel, the issue affects the soc/tegra: cbb fabric lookup tables due to incorrect ARRAY_SIZE usage. The root cause is an ARRAY_SIZE miscalculation that could lead to out-of-bounds access during target timeout lookup. This has been fixed in the referenced commits; the vulnerability i...