CVE-2026-23075

CVE-2026-23075 affects the Linux kernel CAN networking support. The issue arises from the esd_usb_read_bulk_callback() path where URBs for USB-in transfers are unanchored by the USB core after completion, leading to a memory leak if esd_usb_close() frees URBs that are no longer anchored. The fix ...

CVE-2026-23128

CVE-2026-23128 affects the Linux kernel on ARM64, where the hibernation resume path swsusp_arch_resume() could trigger a Control-Flow Integrity (CFI) hash check mismatch during resume, leading to a DABT fault on Android-based devices. The root cause is that swsusp_arch_suspend_exit() is not accom...

CVE-2026-23153

CVE-2026-23153 concerns the Linux kernel regarding a race condition in the FireWire core when enumerating the transaction list without a lock during AR response processing, potentially impacting AT request completion handling. The issue is resolved by moving the timer start for split-transaction ...

CVE-2026-23217

CVE-2026-23217 relates to the Linux kernel on RISC-V where tracing the sbi_ecall functions can cause a deadlock in the snapshot path. The root cause is that sbi_ecall triggers a ringbuffer snapshot which may re-enter __sbi_ecall via an IPI, creating an endless loop when initial __sbi_ecall is pre...

CVE-2026-23219

CVE-2026-23219 concerns the Linux kernel (mm/slab) where alloc_tagging_slab_free_hook was not invoked in memcg_alloc_abort_single, causing a spurious warning: “alloc_tag was not cleared …” when CONFIG_MEM_ALLOC_PROFILING_DEBUG is enabled. The issue arises because the existing __memcg_slab_post_al...

CVE-2026-23232

The CVE-2026-23232 entry pertains to the Linux kernel and the f2fs file system. According to the connected data, a patch intended to enable a block cache/DIO write during f2fs_enable_checkpoint() was reverted because the original patch could cause a deadlock. The revert sequence involves lock ord...

CVE-2026-23236

Technical details about CVE-2026-23236 are not publicly provided in the supplied documents; advisories reference kernel fixes but do not specify affected components, versions, or impact. Monitor for updates.

CVE-2026-23239

CVE-2026-23239 concerns the Linux kernel espintcp subsystem. A race condition was introduced where, after cancel_work_sync() is called from espintcp_close(), espintcp_tx_work() could still be scheduled from paths like the Delayed ACK handler or ksoftirqd. This could allow the worker to dereferenc...

CVE-2026-23257

CVE-2026-23257 is a Linux kernel off-by-one cleanup bug affecting PF setup_nic_devices() in the liquidio path, linked to a memory leak. Connected advisories indicate Root:Ubuntu:24.04 and Ubuntu:22.04 have patched this CVE in the rootio-linux package, with multiple fixed versions available. The p...

CVE-2026-23317

The CVE-2026-23317 entry describes a Linux kernel vulnerability in drm/vmwgfx, specifically vmw_translate_ptr. The root cause was a previous change where a pointer-returning lookup was replaced by an error-code-returning lookup with the pointer as an out parameter; the error path was not updated,...

CVE-2026-23349

CVE-2026-23349 concerns the Linux kernel HID subsystem, specifically the pidff module. The issue arises from not clearing all conditional effect bits, which can lead to NULL pointer dereferences and potential system instability. The root cause is improper handling of the ffbit flag where some con...

CVE-2026-23375

CVE-2026-23375 (Linux kernel THP for anonymous inodes) – concrete details in connected docs : The issue arises from file_thp_enabled() incorrectly allowing/thp collapse for anonymous inodes created via alloc_file_pseudo() (e.g., guest_memfd, secretmem), enabling khugepaged/MADV_COLLAPSE exploits ...

CVE-2026-23411

CVE-2026-23411 corresponds to a Linux kernel AppArmor race condition: freeing i_private data can race with filesystem access because the inode may outlive references. The issue is resolved by moving the put of i_private referenced data to the correct place during inode eviction. Affects AppArmor ...

CVE-2026-23413

The CVE-2026-23413 entry concerns the Linux kernel: a use-after-free in the clsact qdisc during init/destroy rollback caused by asymmetrical initialization between ingress and egress sides. A failed replacement during clsact_init() (e.g., via tcf_block_get_ext()) could leave both ingress and egre...

CVE-2026-31451

CVE-2026-31451: In the Linux kernel ext4_read_inline_folio, BUG_ON was replaced with proper error handling when inline data size exceeds PAGE_SIZE. The fix prevents kernel panics, logs the filesystem corruption via ext4_error_inode(), releases the buffer head to avoid leaks, and returns -EFSCORRU...

CVE-2026-31552

CVE-2026-31552 affects the Linux kernel wlcore wifi path. A memory-allocation failure in wl1271_tx_allocate()/wl1271_prepare_tx_frame() could yield -EAGAIN and be misinterpreted by wlcore_tx_work_locked() as a full aggregation buffer, causing a retry loop under wl->mutex with GFP_ATOMIC. This ...

CVE-2026-31596

CVE-2026-31596 affects OCFS2 in the Linux kernel. The vulnerability stems from ocfs2_group_extend assuming a validated global bitmap inode block from ocfs2_inode_lock(), and BUG_ON() when the signature isn’t a dinode. A crafted filesystem can bypass structural validation via the JBD2 path, leadin...

CVE-2026-31666

CVE-2026-31666 affects the Linux kernel’s btrfs filesystem. A defect in lookup_extent_data_ref() caused an incorrect return value when transitioning between leaves, due to merged err/ret handling: if btrfs_next_leaf() returns 0, ret could be overwritten from -ENOENT to 0, making a non-matching ke...

CVE-2026-31738

CVE-2026-31738 concerns the Linux kernel vxlan code (vxlan_na_create) where ND option lengths are not properly validated. The flaw can cause the parser to advance beyond the option span or read an undersized LLADDR payload, enabling source address reading only when the option is large enough; imp...

CVE-2026-31772

The CVE-2026-31772 issue affects the Linux kernel Bluetooth HCI path. The root cause is a stack buffer overflow in hci_le_big_create_sync where DEFINE_FLEX allocates a stack struct for BIS entries with room for 17, but conn->num_bis can be up to 31, leading to a memcpy that can write beyond th...

CVE-2026-43012

CVE-2026-43012 refers to a Linux kernel issue in the net/mlx5 driver where a failed switchdev mode rollback could cause a kernel panic during an attempted rollback to legacy mode. The public descriptions from NVD/SUSE/Red Hat detail that if switchdev mode initialization/transition fails, the code...

CVE-2026-43024

CVE-2026-43024 affects Linux kernel nf_tables/netfilter: nf_queue. The issue is that immediate NF_QUEUE verdicts were emitted and could be misused; upstream patch rejects immediate NF_QUEUE verdicts to fix it. Downstream advisories indicate fixes implemented in kernel updates (e.g., upstream kern...

CVE-2026-43060

The CVE-2026-43060 issue affects the Linux kernel netfilter component (nft_ct). When the nft_ct module is removed, packets enqueued in nfqueue may retain stale references to conntrack zone templates or timeout policies, risking instability or DoS. The root cause is references that can outlive the...

CVE-2026-43080

Summary of CVE-2026-43080 (Linux kernel) : The issue resides in the L2TP/PPP over L2TP code path where an oversized PPPoL2TP packet sent with UDP encapsulation can trigger an overflow of the 16‑bit UDP length field, causing the length to be trimmed and potentially sending malformed packets. The p...

CVE-2026-43130

The CVE-2026-43130 issue affects the Linux kernel iommu/vt-d path, where flushing the dev-IOTLB can occur during resource release in scalable PCIe mode. The root cause is a path that attempted ATS invalidation without adequately verifying whether the PCIe device is still accessible after a link-d...

CVE-2026-43133

Summary: CVE-2026-43133 affects Linux kernel KVM’s nested virtualization (nSVM). When an L2 guest executes VMSAVE/VMLOAD and is not intercepted by L1, KVM may incorrectly use vmcb02 instead of vmcb01 for guest state handling due to an oversight in VMLOAD/VMSAVE emulation after a patch. The root c...

CVE-2026-43257

The CVE-2026-43257 issue affects the Linux kernel media cx88 driver. The root cause is a missing unmap in snd_cx88_hw_params() in the error path, leading to unreleased resources when cx88_alsa_dma_map() is used. The fix adds cx88_alsa_dma_unmap() in the error path to release the DMA resource and ...

CVE-2026-43262

CVE-2026-43262 stems from a Linux kernel gfs2 fiemap page fault: gfs2_fiemap() calls iomap_fiemap() while holding the inode glock, risking recursive glock taking if the fiemap buffer maps to the same inode. The fix disables page faults for iomap_fiemap() and faults in the buffer by hand when need...

CVE-2026-43288

Summary: CVE-2026-43288 relates to the Linux kernel ext4 filesystem. The root cause is a per-CPU counter accessed before it is initialized during block bitmap validation, which can cause a kernel panic and potential DoS when mounting a specially crafted ext4 filesystem with quota/project options....

CVE-2026-43296

The CVE-2026-43296 case affects the Linux kernel driver octeontx2-af, where the NIX SQ manager sticky mode can stall when multiple SQs share an SMQ and transmit concurrently, and transitions between sticky and non-sticky transmissions can deadlock the PSE, with additional credit drops when clocks...

CVE-2026-43311

CVE-2026-43311 resolves a Linux kernel Tegra PMC issue where generic_handle_irq() was called from a non-interrupt context during system suspend resume, causing kernel warnings. The fix defers the call to an IRQ work, enabling safe execution in hard IRQ context. For PREEMPT_RT kernels, the patch u...

CVE-2026-43358

CVE-2026-43358 affects the Linux kernel's btrfs filesystem. The vulnerability is a missing RCU unlock in the error path of try_release_subpage_extent_buffer(), where rcu_read_lock() should be held before exiting the loop because an rcu_read_unlock() occurs past the loop. The issue was identified ...

CVE-2026-43362

CVE-2026-43362 affects the Linux kernel SMB client by an in-place encryption flaw in SMB2_write(), where the write payload could be replaced with ciphertext during retries on unstable connections. The root cause is that smb3_init_transform_rq() shares rq_iov, causing crypt_message() to in-place-e...

CVE-2026-43385

The CVE-2026-43385 entries describe a race condition in the Linux kernel’s rcu_tasks grace-period handling inside napi_threaded_poll_loop when threaded busypoll is enabled. The issue can cause a stall/hang (DoS-like impact) as rcu_softirq_qs_periodic last_qs could be reset incorrectly, preventing...

CVE-2026-43393

CVE-2026-43393 concerns the Linux kernel’s btrfs file system. The vulnerability is a memory/resource leak in btrfs_map_block() where, on an early error return (-EINVAL), the allocated chunk map is not freed, potentially leading to memory exhaustion and instability. Several connected advisories re...

CVE-2026-43435

CVE-2026-43435 relates to the Linux kernel rust_binder component where the oneway spam-detection logic in TreeRange (and missing logic in ArrayRange) could allow large spamming transactions to go undetected. The fix moves the spam-check after the new range is inserted and adds an equivalent low_o...

CVE-2026-43443

CVE-2026-43443 involves the Linux kernel ASoC AMD ACP Mach common driver. The acp_card_rt5682_init() and acp_card_rt5682s_init() functions did not validate clk_get() returns, risking dereferencing invalid pointers and kernel crash. The patch changes clock acquisition to devm_clk_get() and adds IS...

CVE-2026-43446

CVE-2026-43446 affects the Linux kernel in the accel/amdxdna driver. A runtime suspend deadlock could occur if a running job calls pm_runtime_resume_and_get() while the system is suspending; the deadlock arises between the runtime suspend path and the job execution flow. The fix moves pm_runtime_...

CVE-2026-43484

CVE-2026-43484 – Linux kernel MMC core : The vulnerability stems from concurrent updates to bitfield flags (claimed and retune_now) sharing a word, enabling write–overwrite of other bits in async contexts and triggering spurious WARN_ON(!host->claimed). The fix moves claimed, can_retune, retun...

CVE-2026-43485

CVE-2026-43485 is a Linux kernel issue where WARN_ON checks in the nouveau/gsp ACPI probe were dropped to avoid noisy warnings. The advisory notes this is likely harmless and does not describe a functional vulnerability. Multiple OSV entries indicate patches and available fixed versions in rootio...

CVE-2026-43495

CVE-2026-43495 concerns the Linux kernel net/wwan/t7xx subsystem. The issue arises in t7xx_port_enum_msg_handler, which uses a modem-provided port_count to loop over port_msg->data[] without ensuring the message buffer is long enough, enabling a potential slab-out-of-bounds read when port_coun...

CVE-2026-45847

CVE-2026-45847 concerns the Linux kernel networking path: removing WARN_ON_ONCE when accessing the forward path array to mitigate a potential issue with overly long forward paths via IPIP tunnels. The vulnerability is local in scope and is not described as exploitable via remote vectors in the pr...

CVE-2026-45849

The CVE-2026-45849 issue affects the Linux kernel’s mscc: ocelot network driver. The vulnerability occurred because ocelot_port_xmit_inj() invoked ocelot_can_inject() and ocelot_port_inject_frame() without holding the injection group lock, despite lockdep_assert_held() checks in those functions. ...

CVE-2026-45895

Mode C: The CVE-2026-45895 issue affects the Linux kernel quota handling when a filesystem is frozen. quotactl_block() retries while the freezer holds SB_FREEZE_WRITE, leading to a livelock with synchronize_rcu() and causing a freezer hang and 100% CPU on the quota task. The documented fix adds c...

CVE-2026-45913

CVE-2026-45913 concerns the Linux kernel bridge multicast code where mdb_n_entries for VLAN contexts could be inconsistently updated, triggering kernel warnings. The fix standardizes counting by removing conditional increases and ensuring the counter is initialized on port-vlan context creation a...

CVE-2026-45948

CVE-2026-45948 (Linux kernel): The issue is a memory leak in ext4_ext_shift_extents() where a NULL extent in the while loop causes an early return without releasing the ext4_find_extent() path. The fix adds a jump to the out label to ensure proper path release, preventing leaked memory. Affected ...

CVE-2026-45964

CVE-2026-45964 concerns the Linux kernel SUNRPC path. The issue is a kref leak in gss_auth when handling an error path in gss_alloc_msg, where a failure to balance references on kstrdup_const() error path caused the gss_auth structure to remain allocated. The fix adds a forward declaration for gs...

CVE-2026-45986

The CVE-2026-45986 issue affects the Linux kernel crypto/ccree path, specifically a memory leak in cc_mac_digest. The root cause is a path where cc_map_hash_request_final() failures could leave memory unreleased; the fix adds cc_unmap_result() to prevent leaks. The vulnerability is locally exploi...

CVE-2026-45993

CVE-2026-45993 concerns LoongArch: boundry protection for the syscall dispatch table in the Linux kernel. Public documentation in OSV and related advisories confirms patches across multiple Linux distributions/packages: Root:Ubuntu 22.04/24.04 (rootio-linux), Debian 11/12 (rootio-linux), openSUSE...

CVE-2026-46026

CVE-2026-46026 concerns a bound-check omission in the Linux kernel’s net: qrtr: ns path, allowing a local attacker to flood LOOKUP messages; fix clamps the global maximum lookups to 64. Affected component is the qrtr ns logic, with local-privilege abuse leading to potential denial or resource exh...