CVE-2026-23446

CVE-2026-23446 affects the Linux kernel aqc111 USB driver. The vulnerability arises when aqc111_suspend uses the PM variant of write_cmd during suspend, causing pm_runtime_resume_and_get to propagate a suspend wait into rpm_resume on the parent, which can block and hang the network stack. The doc...

CVE-2026-31409

CVE-2026-31409 affects the Linux kernel ksmbd component. A multichannel SMB2_SESSION_SETUP with SMB2_SESSION_REQ_FLAG_BINDING could fail, but ksmbd did not clear conn->binding on the error path, leaving the connection in a binding state. This caused ksmbd_session_lookup_all() to fall back to t...

CVE-2026-31417

The CVE-2026-31417 issue affects the Linux kernel’s net/x25 implementation. Affected component: x25_sock.fraglen can overflow during packet accumulation, with the root cause involving missing overflow checks and an incorrect fraglen reset when fragment_queue is purged in x25_clear_queues(). The p...

CVE-2026-31423

The CVE-2026-31423 issue affects the Linux kernel’s net/sched sch_hfsc; rtsc_min() can divide by a value derived from the difference of large u64 slopes, risking a divide-by-zero when the difference equals 2^32. The fix widens the internal counter to u64 and replaces do_div() with div64_u64() to ...

CVE-2026-31427

The CVE-2026-31427 issue in Linux kernel netfilter/nf_conntrack_sip was fixed by initializing the rtp_addr before calling nf_nat_sip SDP hooks and tracking via a have_rtp_addr flag. If SDP has no m= lines, or contains only inactive/unrecognized media, the code now avoids calling sdp_session with ...

CVE-2026-31434

CVE-2026-31434 affects the Linux kernel's btrfs subsystem. The root cause is a leak of kobject names for sub-group space_info entries: during removal, kobject_init_and_add is paired with allocations, but the corresponding btrfs_sysfs_remove_space_info() is not called on freed elements, causing le...

CVE-2026-31438

CVE-2026-31438 affects the Linux kernel netfs code. A BUG occurs in netfs_limit_iter() when processing ITER_KVEC iterators (e.g., during core-dump to 9P), because ITER_KVEC is not dispatched like other supported types. The fix adds netfs_limit_kvec() (paralleling netfs_limit_bvec()) and dispatche...

CVE-2026-31455

CVE-2026-31455 pertains to the Linux kernel, specific to the XFS unmount path. During unmount, in xfs_unmount_flush_inodes(), the AIL is pushed while background reclaim and inodegc may still be running, which can lead to inodes being dirtied or re-queued into the AIL. The provided fix reorders th...

CVE-2026-31479

CVE-2026-31479 concerns the Linux kernel drm/xe driver. The issue involves Virtual Memory Area (VMA) management during rebind/unwind paths in 3D workflows, which can produce an invalid/overlapping VMA and potentially destabilize the VM state. Public descriptions in Red Hat and Debian OSV/Ubuntu e...

CVE-2026-31493

The CVE-2026-31493 issue exists in Linux kernel RDMA/efa admin queue completion handling: when a command completes with an error, the code may print from a completion context that has already been freed, leading to use-after-free-like behavior. The root cause is use of a freed completion context ...

CVE-2026-31511

CVE-2026-31511 affects the Linux kernel Bluetooth MGMT subsystem, specifically a dangling pointer in mgmt_add_adv_patterns_monitor_complete where mgmt_pending_free(cmd) could kfree cmd before unlinking from the list. Connected advisories indicate Debian/Root and other OSV entries report a patch w...

CVE-2026-31577

CVE-2026-31577 affects the Linux kernel nilfs2 filesystem. The vulnerability is a NULL i_assoc_inode dereference in nilfs_mdt_save_to_shadow_map during GC if NILFS_IOCTL_CLEAN_SEGMENTS is invoked immediately after mount, before any btree operation on the DAT inode. The root cause is i_assoc_inode...

CVE-2026-31580

CVE-2026-31580 affects the Linux kernel (bcache component). The issue is a use-after-free in cached_dev.sb_bio when a device is stopped while a superblock write is in progress, which can cause a crash/DoS through libceph I/O paths. Public reports align on this being resolved by patching bcache to...

CVE-2026-31590

The CVE-2026-31590 issue affects the Linux kernel KVM SEV path: sev_pin_memory() would WARN when npages overflowed an int due to KVM_MEMORY_ENCRYPT_REG_REGION with a large size, enabling a local user to trigger a harmless warning via userspace input (e.g., addr=0, size=-1ul). The root cause is th...

CVE-2026-31604

The CVE-2026-31604 issue concerns the Linux kernel’s wifi: rtw88 driver. A memory leak arose because the driver grabbing a reference to the USB device during probe did not release it on all probe errors (e.g., descriptor parsing failures) while the interface remained bound to a driver. The fix dr...

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-2026-31647

CVE-2026-31647 concerns the Linux kernel idpf driver. The vulnerability stems from improper nesting of PREEMPT_RT raw/BH spinlocks during asynchronous VC handling, which could yield an invalid wait context. A fix switches from the completion’s raw spinlock to a local lock in the idpf_vc_xn struct...

CVE-2026-31652

The CVE-2026-31652 issue is in the Linux kernel’s DAMON feature. When damon_stat_start() allocates damon_ctx and damon_call() subsequently fails, the damon_ctx object is not deallocated, causing a memory leak if DAMON is re-enabled. The leak is not resolved by deallocating after damon_call() fail...

CVE-2026-31680

The CVE concerns a race in the Linux kernel IPv6 flow label handling. In ip6fl_seq_show(), the global flowlabel hash is read under an RCU read lock, and an option block’s state fl->opt->opt_nflen may be printed when present. The current lifetime of the option state can end with fl->users...

CVE-2026-31689

The CVE-2026-31689 issue affects the Linux kernel EDAC/mc path: edac_mc_alloc() may call put_device() during an error path before device_init completes, causing a kobject initialization/cleanup hazard and in-kernel MCE decoding symptoms. The fix reorders the initialization so the device (and its ...

CVE-2026-31695

CVE-2026-31695 is a Linux kernel issue affecting the virt_wifi driver. The root cause is a race during unregistration where a device’s parent pointer could reference freed memory, causing a use-after-free during ethtool operations. The vulnerability arises from using SET_NETDEV_DEV(dev, &priv-&gt...

CVE-2026-31706

In ksmbd (Linux kernel), CVE-2026-31706 is due to a validation flaw in smb_inherit_dacl(): the on-disk num_aces from a parent directory’s security.NTACL is trusted to size a heap allocation (kmalloc(sizeof(struct smb_ace) * num_aces * 2)) without verifying consistency with pdacl_size. An authenti...

CVE-2026-31747

CVE-2026-31747 affects the Linux kernel code path for comedi me4000 firmware loading. The vulnerability arises when me4000_xilinx_download() blindly trusts the firmware file format and reads a header length from the first 4 bytes into file_length, then reads data from offset 16 of length file_len...

CVE-2026-31752

CVE-2026-31752 affects the Linux kernel bridge/networking path: br_nd_send validates IPv6 neighbor discovery options, and a malformed ND option could cause the parser to read beyond the intended option span or read an LLADDR payload that is too short. The issue is mitigated by option-length check...

CVE-2026-43006

CVE-2026-43006 (Linux kernel io_uring rsr/rsrc): A zero-length fixed-buffer import in io_import_fixed() could trigger a slab-out-of-bounds read due to a boundary check that allows len == 0 to be processed. The underlying issue is in validate_fixed_range(), which permits buf_addr at the end of the...

CVE-2026-43129

The CVE-2026-43129 issue stems from the Linux kernel IMA subsystem: when booting a second-stage kernel via kexec with a memory-limited command line, the IMA measurement buffer from the previous kernel could lie outside the new kernel’s addressable RAM, causing an early-page fault on x86_64. The f...

CVE-2026-43145

The CVE-2026-43145 issue is in the Linux kernel remoteproc imx_rproc driver. The function imx_rproc_elf_find_loaded_rsc_table() could incorrectly report a loaded resource table when the firmware provided no resource table, because it returning priv->rsc_table even if rproc->table_ptr was NU...

CVE-2026-43182

Concrete details are available: CVE-2026-43182 affects the Linux kernel’s media: ccs component. The root cause is a missing check for a non-zero MIN_X_OUTPUT_SIZE limit register value when computing the maximum M for scaler configuration, risking a division-by-zero. Exploitation status is not pro...

CVE-2026-43208

The CVE-2026-43208 entry describes a Linux kernel networking vulnerability where an incorrect assumption about the Receive Packet Steering (RPS) table size/immutability leads to out-of-bounds access when computing the flow_id in set_rps_cpu(). The fix requires computing flow_id within set_rps_cpu...

CVE-2026-43217

CVE-2026-43217 affects the Linux kernel, specifically the media: iris: gen2 component. The issue occurs in iris_kill_session where inst->state is set to IRIS_INST_ERROR and session_close frees inst_hfi_gen2->packet; if stop_streaming is called afterward, a crash may occur. The published fix...

CVE-2026-43237

CVE-2026-43237 affects the Linux kernel AMDGPU driver, specifically the amdgpu_gem_va_ioctl handling of fences for VM timeline management. The issue could cause a refcount underflow and use-after-free during fence processing, potentially leading to a kernel panic and denial of service. The descri...

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-2026-43252

CVE-2026-43252 concerns the Linux kernel MPTCP subsystem (Multiswitch TCP). The issue arises in the in-kernel MPTCP path for removing endpoints, where code path __mark_subflow_endp_available/mptcp_pm_nl_fullmesh/mptcp_pm_nl_set_flags_all/mptcp_pm_nl_set_flags can trigger a kernel warning when a s...

CVE-2026-43269

The CVE-2026-43269 issue affects the Linux kernel drm/atmel-hlcdc driver, where the atomic_destroy_state path failed to free all allocated objects (notably drm_crtc_commit), causing a memory leak observed via kmemleak. The root cause is that only the framebuffer was freed by atomic_destroy_state;...

CVE-2026-43319

CVE-2026-43319 affects the Linux kernel spidev driver. The vulnerability stemmed from inverted lock ordering between spi_lock and buf_lock across code paths (write/read use buf_lock then spi_lock; ioctl uses spi_lock then buf_lock), enabling potential deadlocks in multi-threaded access. The fix u...

CVE-2026-43325

Summary: The Linux kernel iwlwifi mvm driver must not send MCC_ALLOWED_AP_TYPE_CMD to devices that don’t support 6E. The firmware erroneously advertised 6E support for AX201, causing a firmware crash and potential DoS. The entry is resolved in the provided references; no exploit details or active...

CVE-2026-43343

CVE-2026-43343 affects the Linux kernel USB gadget f_subset code. The vulnerability stems from an unbalanced reference count: geth_alloc() increments the refcount, but geth_free() does not decrement it, which can block configuration of attributes via configfs after unlinking the function. The con...

CVE-2026-43346

The CVE-2026-43346 entry documents a Linux kernel issue in ice: ptp used in VFIO passthrough where the PTP controlling PF (adapter->ctrl_pf) may not be initialized, causing NULL dereference risk and a WARN_ON() in ice_ptp_setup_pf(). The fix replaces the warning with an informational message a...

CVE-2026-43347

The CVE-2026-43347 details a Linux kernel arm64 Monaco issue where firmware mistakenly reports a Gunyah hypervisor memory region as available. The kernel may allocate from hypervisor-owned memory, causing spurious ESR=0x96000010 aborts and kernel crashes. The fix adds a reserved-memory carveout f...

CVE-2026-43380

CVE-2026-43380 relates to the Linux kernel hwmon driver pmbus/q54sj108a2. The q54sj108a2_debugfs_read function suffers a stack buffer overflow due to incorrect bin2hex argument usage and insufficient output buffer size, causing writes beyond the stack. A fix expands the data_char buffer to 66 byt...

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-2026-43389

CVE-2026-43389 affects the Linux kernel memfd_luo subsystem. The root cause is a flaw where preserving LUO state could leave folios marked clean, risking data loss if they are dirtied later and reclaimed under memory pressure. The fix changes all folios of the file to be dirty and sets MEMFD_LUO_...

CVE-2026-43390

The CVE-2026-43390 issue affects the Linux kernel nstree component, where listing permissions were tightened so that even privileged services may not be allowed to view other privileged namespaces. The root cause is insufficient information isolation between namespaces; the kernel now uses may_se...

CVE-2026-43396

In the Linux kernel, the vulnerability CVE-2026-43396 is in the drm/xe/sync path. When dma_fence_chain_alloc() fails, the user fence reference is not released, causing a memory leak. Documented across multiple sources (Red Hat, SUSE, Ubuntu, Debian OSV entries, and NVD), the issue is fixed by the...

CVE-2026-43397

Technical details about CVE-2026-43397 are not publicly provided in the supplied documents. Monitor for updates from vendors and security advisories.

CVE-2026-43418

CVE-2026-43418 describes a race in the Linux kernel sched/mmcid subsystem: when new tasks are created concurrently, a newly forked task is counted as an MMCID user before it is visible in thread and task lists, which can lead to an incorrect CID allocation and potentially a machine stall. The mit...

CVE-2026-43425

The CVE-2026-43425 issue affects the Linux kernel mdc800 USB image driver. mdC800_device_read() submits a download URB and waits for completion; if a timeout occurs and the device is unresponsive, the URB may remain active. A subsequent read() can resubmit the still-active URB, triggering the ker...

CVE-2026-43428

CVE-2026-43428 affects the Linux kernel USB core. The vulnerability arises from usb_control_msg(), usb_bulk_msg(), and usb_interrupt_msg() allowing unbounded, uninterruptible timeouts, which could hang a task indefinitely. The fix enforces a maximum timeout of 60 seconds and treats negative timeo...

CVE-2026-43459

CVE-2026-43459 concerns the Linux kernel ASoC subsystem: when unbinding a sound card while a PCM stream is active, a use-after-free can occur due to teardown ordering. The fix adds a flush in soc_cleanup_card_resources() after snd_card_disconnect_sync() and before soc_remove_dais()/soc_remove_lin...

CVE-2026-43464

Summary: CVE-2026-43464 affects the Linux kernel mlx5e driver in XDP multi-buffer scenarios. When XDP programs modify buffer layout via bpf_xdp_pull_data() or bpf_xdp_adjust_tail(), the driver previously failed to count dropped fragments, causing negative page reference counts during cleanup and ...