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-2026-43252

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-2026-43464

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 ...

CVE-2026-43468

CVE-2026-43468 affects the Linux kernel net/mlx5 subsystem, where a deadlock can occur between the devlink lock and the esw->work_queue. The deadlock trace involves esw_functions_changed_event_handler executing esw_vfs_changed_event_handler, while eswitch_mode_set acquires the devlink lock and...

CVE-2026-43473

CVE-2026-43473 affects the Linux kernel's mpi3mr SCSI driver. The vulnerability occurs when the driver cleans up resources and the reply/request queues are NULL due to memory being freed after a failed queue creation. The cleanup code may then dereference or mem-set freed memory, causing a system...

CVE-2026-45903

CVE-2026-45903 concerns the Linux kernel where the BPF verifier memory-access flag handling in helper prototypes was incorrect. After a verifier refactor, several helpers using ARG_PTR_TO_MEM lacked MEM_RDONLY or MEM_WRITE, causing the verifier to incorrectly assume buffers were unchanged across ...

CVE-2026-46257

CVE-2026-46257 concerns the Linux kernel SP804 timer driver on ARM32. The issue occurs when the delay timer shares the same clkevt instance with sched_clock; if sp804_clocksource_and_sched_clock_init runs with use_sched_clock != 1, sched_clkevt may be uninitialized, and read_current_timer() ends ...

CVE-2026-52913

CVE-2026-52913 is addressed in OSV entries as a flaw in the rootio-linux package. Root has patched CVE-2026-52913 in Root:Ubuntu-22.04, with multiple fixed versions available. Additional OSV records indicate patched status for Root:Ubuntu-24.04 and Root:Debian-11/12, also noting multiple fixed ve...

CVE-2026-52957

Consolidated details from CVE-2026-52957 show a Linux kernel libceph flaw in processing CEPH_MSG_OSD_MAP: during CRUSH map decoding, bucket indices may reference NULL buckets when decoding crush_choose_arg_map, risking a NULL pointer dereference. A patch extends the validation to only access non-...

CVE-2026-52959

The CVE-2026-52959 issue affects the Linux kernel SEV guest module. During an extended guest request (SVM_VMGEXIT_EXT_GUEST_REQUEST), get_ext_report() allocates a buffer for a host certificate blob and stores its size in report_req->certs_len. The host may return SNP_GUEST_VMM_ERR_INVALID_LEN ...

CVE-2026-52962

The CVE refers to the Linux kernel Ceph driver: in __ceph_setxattr(), old_blob can retain ci->i_xattrs.prealloc_blob during a retry, and ceph_buffer_put() is not called for the old_blob, causing a buffer leak. A patch fixes this leak. Connected SUSE advisories (OSV entries) confirm this CVE (C...

CVE-2026-53011

The CVE-2026-53011 issue affects the Linux kernel net/sched taprio code. In advance_sched(), when should_change_schedules() is true, switch_schedules() promotes the admin schedule to oper and queues the old oper for RCU freeing, but next may still point into the old oper. The subsequent end_time ...

CVE-2026-53073

CVE-2026-53073 affects Linux kernel Bluetooth HCI UART handling. The issue occurs when hci_register_dev() fails in hci_uart_register_dev() and HCI_UART_PROTO_INIT is not cleared before hu->proto->close() and hu->hdev = NULL, potentially allowing protocol recv path to access freed resourc...

CVE-2026-53094

The CVE affects the Linux kernel BPF/JIT path for dev-bound-only XDP programs. When constant blinding is enabled (bpf_jit_harden >= 2), bpf_jit_blind_constants() clones the program and bpf_jit_prog_release_other() frees the original, but offload->prog isn’t updated, leaving a stale pointer....

CVE-2026-53108

CVE-2026-53108 concerns a race in PowerPC64 (book3s64) PMD migration handling during unmap vs move_pages. The vulnerability arises when a PMD migration entry is created by migrate_pages while an munmap occurs, hitting a VM_BUG_ON in pmdp_huge_get_and_clear_full. The Linux kernel patch (commit a30...

CVE-2026-53139

CVE-2026-53139 concerns the Linux kernel drm/v3d path where a compute shader dispatch with zeroed workgroup counts (CFG0..CFG2) could be mishandled; the fix ensures the indirect CSD job is not submitted when any dimension is zero, causing the dispatch to complete as a no-op. Connected sources sho...

CVE-2026-53157

The CVE-2026-53157 issue affects the Linux kernel’s phonet code: phonet_device is removed from the per-net device list with list_del_rcu(), but freed immediately, creating a use-after-free for readers that still hold pointers. The root cause is mismatched lifetime management; the fix switches to ...

CVE-2026-53165

CVE-2026-53165 describes a race in the Linux kernel iomap subsystem where, during buffered read error reporting, a separate in-flight read can detach a folio and set folio->mapping to NULL before an error is reported, leading to a NULL dereference of folio->mapping in fserror_report_io(). T...

CVE-2026-53171

The CVE affects the Linux kernel’s accel/ethosu driver. The dma_length() function can under- or overflow while deriving DMA region usage, causing region_size[] to be under-reported and potentially bypassing bounds checks in ethosu_job.c. The issue arises from arithmetic in len calculations, signe...

CVE-2026-53206

CVE-2026-53206 affects the Linux kernel (accel/ivpu) where the firmware runtime memory in the image header lacked proper bounds checks. The issue is addressed by validating alignment and sizing to ensure the firmware image fits in memory, preventing allocation or transfer errors. The available co...

CVE-2026-53262

CVE-2026-53262 affects the Linux kernel ioctl path for the pppol2tp module (l2tp) where pppol2tp_ioctl() dereferenced sock->sk->sk_user_data without proper locking while a sleep could occur during copy_from_user(). If a concurrent socket close happened, l2tp_session_close() could free the s...

CVE-2026-53279

CVE-2026-53279 affects the Linux kernel driver path drm/gma500/oaktrail_lvds. The issue occurs during LVDS initialization where the code looks up an I2C adapter (via i2c_get_adapter) and may read EDID, then either uses the adapter or falls back to allocating/registering its own adapter. On late i...

CVE-2026-53283

CVE-2026-53283 concerns the Linux kernel AMD IOMMU driver. The issue arises when the inlined check path in __rlookup_amd_iommu() performs an out-of-bounds read on rlookup_table[devid] for a PCI device whose BDF isn’t described by IVRS. Prior to the commit that changed kvalloc() usage, the over-re...

CVE-2026-53302

The CVE-2026-53302 issue is in the Linux kernel cryptographic module (EIP93 hardware accelerator). The root cause is in eip93_hmac_setkey(): it allocates a temporary ahash transform for HMAC key material using a driver name (e.g., sha256-eip93) but masks CRYPTO_ALG_ASYNC, which excludes async alg...

CVE-2026-53306

CVE-2026-53306 affects the Linux kernel tty/hvc_iucv path. The issue is an off-by-one in the number of supported devices: MAX_HVC_IUCV_LINES is 8, and hvc_iucv_devices can be 0–8. When devices == 8, a path that validates against the table size can access hvc_iucv_table[8], potentially triggering ...

CVE-2026-53323

CVE-2026-53323 affects the Linux kernel DSA conduit ethtool wrappers. The root cause is redundant locking: the conduit master’s ethtool_ops were wrapped by DSA to aggregate port stats, and an extra netdev_lock_ops()/netdev_unlock_ops() inside the DSA wrappers could deadlock. The documented remedi...

CVE-2026-53365

The CVE-2026-53365 issue affects the Linux kernel’s vsock/virtio zerocopy path. When large messages are fragmented across multiple skbs, the zerocopy uarg was only allocated and attached to the last skb in the loop, leaving non-final skbs with pinned user pages untracked and failing to notify use...

CVE-2026-53392

CVE-2026-53392 affects the Linux kernel’s NFSv4/flexfiles path. The flaw arises in ff_layout_alloc_lseg(), which decodes the filehandle-version array count and uses it to allocate with kzalloc_objs(). A zero count can yield ZERO_SIZE_PTR and get stored in dss_info->fh_versions, while later fle...

CVE-2026-63803

The CVE-2026-63803 has concrete technical details in the Linux kernel: hdlc_ppp timers for PPP LCP/IPCP/IPV6CP in struct ppp are not synchronized on teardown due to a missing .detach callback, causing a use-after-free when a ppp_timer dereferences freed memory. The fix adds a detach helper that c...

CVE-2026-63804

The CVE-2026-63804 issue is a gfs2 use-after-free in gfs2_qd_dealloc triggered by an RCU callback accessing sdp after qd is freed. The root cause is that gfs2_put_super() may free the superblock via free_sbd() before pending RCU callbacks (including gfs2_qd_dealloc) complete. The public details i...

CVE-2026-63807

CVE-2026-63807 concerns the Linux kernel KVM: x86/mmu path. The issue arises when recovering hugepages in the shadow MMU, where the base guest frame number (gfn) of a shadow page must be verified to be within the target memslot before querying the max mapping level. If the gfn is not pre-checked,...

CVE-2026-64185

Technical details for CVE-2026-64185 are not publicly available in the provided documents. Monitor for official advisories; no product/vendor/version/root-cause/mitigation information is available here.

CVE-2026-64215

The CVE affects the Linux kernel’s drm/msm/a6xx component. A NULL pointer dereference could occur in a8xx_hfi_send_perf_table because kzalloc() return value is not checked. The vulnerability is resolved by a patch that adds the necessary check of kzalloc()’s return before use. Patchwork reference...