CVE-2026-23230

CVE-2026-23230 is a Linux kernel local race in the SMB/CIFS client code where cached_fid bitfields (is_open, has_lease, on_list) were updated via concurrent paths, causing read–modify–write races. The root cause is that these three flags shared a single byte, so an update to one could overwrite o...

CVE-2026-23273

The CVE refers to a Linux kernel macvlan race: macvlan_common_newlink() can reveal a device before error handling under an RCU grace period, leading to a use-after-free as shown by a KASAN report. Connected OSV entries confirm patches in Rootio-Linux for Root:Debian/Ubuntu variants (Root-OS-DEBIA...

CVE-2026-23300

The CVE-2026-23300 issue is a Linux kernel vulnerability in IPv6 routing where creating a standalone nexthop object (e.g., ip -6 nexthop add id 100 dev lo) caused a crash when later referenced by an IPv4 route. Root cause: fib6_nh_init() incorrectly treated such nexthops as rejects due to an abse...

CVE-2026-23346

CVE-2026-23346 affects the Linux kernel (arm64) in the ioremap_prot pathway. The root cause is that ioremap_prot() may extract non-address bits from a user mapping’s pgprot_t (including permissions) and generate a new user mapping, which can be accessed by the kernel when PAN is enabled. This can...

CVE-2026-31478

The CVE-2026-31478 issue affects ksmbd in the Linux kernel. The root cause is an incorrect calculation of the response buffer length in smb2_calc_max_out_buf_len(), where a hardcoded hdr2_len was used instead of the correct offset to the Buffer field. The security advisories describe that after a...

CVE-2026-31637

The CVE-2026-31637 vulnerability lies in the Linux kernel rxrpc subsystem. Specifically, rxkad_decrypt_ticket() decrypts the RXKAD response ticket and then parses the buffer as plaintext without confirming that crypto_skcipher_decrypt() succeeded. A malformed RXKAD response could use a non-block-...

CVE-2026-43020

CVE-2026-43020 concerns the Linux kernel Bluetooth MGMT path: load-time Long Term Keys can overflow a fixed-size stack buffer if enc_size exceeds the 16-byte key buffer. The root cause is validation of enc_size not rejecting oversized values during management LTK record validation, allowing inval...

CVE-2026-43023

CVE-2026-43023 affects the Linux kernel Bluetooth SCO path. A race condition in sco_sock_connect() allows two concurrent connect() attempts on the same socket to bypass locks, leading to use-after-free and potential socket/state corruption (BT_OPEN -> BT_CONNECT with zombie sk). The issue is d...

CVE-2026-43062

CVE-2026-43062 concerns the Linux kernel Bluetooth L2CAP path, where l2cap_ecred_reconf_rsp() incorrectly casts incoming data to struct l2cap_ecred_conn_rsp instead of struct l2cap_ecred_reconf_rsp. This type confusion causes: (1) the length check to require 8 bytes instead of 2, rejecting valid ...

CVE-2026-43072

CVE-2026-43072 affects the Linux kernel drm/vc4 code path: platform_get_irq_byname() may return a negative error value, which was previously passed directly to devm_request_threaded_irq() without proper checking. The issue has been resolved in updated kernel code, and multiple OS-specific advisor...

CVE-2026-43121

CVE-2026-43121 involves the Linux kernel io_uring/zcrx race between scrub and refill paths. The non-atomic read-then-decrement of the user_refs can race with io_zcrx_scrub() using atomic_xchg, causing a double-free of a niov and an out-of-bounds write past the freelist array. The fix replaces the...

CVE-2026-43211

CVE-2026-43211 – Linux kernel PCI slot lock handling fix The issue arises in PCI lock management: pci_slot_trylock() incorrectly handled unlocking when nested locks fail, due to an extra pci_dev_unlock(dev) on the failure path after delegating to pci_bus_trylock(). This could trigger a warning ab...

CVE-2026-43254

CVE-2026-43254: Linux kernel openvpn TCP stream handling corrected. Ovpn_tcp_recv now allocates a separate skb per packet and uses skb_copy_bits to copy only the packet payload, skipping the 2-byte length prefix; length checks guard allocation to prevent invalid skbs. This resolves header offset ...

CVE-2026-43310

The CVE-2026-43310 issue affects the Linux kernel Verisilicon media driver on the i.MX8MQ platform. It describes a hardware limitation where the g1 VPU and g2 VPU cannot decode H.264 and HEVC simultaneously; doing so can trigger a bus error, producing corrupted video output and potentially causin...

CVE-2026-43406

CVE-2026-43406 affects the Linux kernel libceph component. The issue is in process_message_header() where, if a message frame is corrupted or misrepresented, an out-of-bounds read may occur due to a missing explicit bounds check before decoding the header. The vulnerability can enable remote expl...

CVE-2026-43437

CVE-2026-43437 affects the Linux kernel ALSA PCM subsystem (snd_pcm_drain). The issue is a use-after-free in the drain path: during drain, runtime is reassigned to a linked stream’s runtime and after releasing the stream lock, runtime fields (no_period_wakeup, rate, buffer_size) are accessed with...

CVE-2026-45933

CVE-2026-45933 affects the Linux kernel BPF verifier. The root cause is that sync_linked_regs() failed to preserve the register ID during bounds propagation, so when known_reg bounds were propagated to reg, reg retained an old/new id mismatch. This can cause incorrect bound propagation across lin...

CVE-2026-46035

CVE-2026-46035 affects the Linux kernel on UP (non-SMP) configurations and describes a vulnerability in mm/page_alloc. The issue arises because on UP, spin_trylock() is a no-op and may always succeed even if the lock is held, allowing alloc_frozen_pages_nolock() invoked from NMI to re-enter rmque...

CVE-2026-46048

CVE-2026-46048 relates to a leak in the Linux kernel ALSA caiaq driver. The issue arises because create_card() takes a usb_get_dev() reference to a USB device and stores the corresponding usb_put_dev() in card_free(), which is registered as snd_card’s private_free destructor. However, private_fre...

CVE-2026-46053

CVE-2026-46053 affects the Linux kernel RDS memory-registration cleanup. In net/rds, __rds_rdma_map() transfers ownership of sg/pages after get_mr(); if copying the cookie back to user space fails, resources could be freed more than once. The fix removes a duplicate unpin/free in the put_user() f...

CVE-2026-46058

CVE-2026-46058 affects the Linux kernel’s amphion VPU driver, where a race in the Video4Linux m2m framework could lead to a use-after-free and kernel panic. The issue arises when v4l2_m2m_ctx_release() frees the m2m_ctx while v4l2_m2m_try_run() is about to call device_run, potentially crashing vi...

CVE-2026-46094

CVE-2026-46094 affects the Linux kernel ext4 code. The vulnerability arises from a bounds check in check_xattrs() for the next xattr entry, where the code compared (void*)next >= end. This could allow next to point within sizeof(u32) bytes of end, and on the subsequent loop iteration IS_LAST_E...

CVE-2026-46114

CVE-2026-46114 affects the Linux kernel RDMA/rxe driver. A remote attacker could exploit zero- or non-8-byte ATOMIC_WRITE payloads by triggering atomic_write_reply() to dereference 8 bytes past the packet boundary, leaking up to 4 bytes of kernel tailroom per probe (plus trailing ICRC). The issue...

CVE-2026-46231

CVE-2026-46231 concerns the Linux kernel’s batman-adv code. When batadv_bla_add_claim() fails to insert a new claim into its hash, a reference to the target backbone_gw could be leaked. The vulnerability arises from not releasing that reference on the error path, potentially allowing a backbone_g...

CVE-2026-46239

CVE-2026-46239 affects the Linux kernel media: i2c: ov5647 driver. Concrete issue: three control paths (AUTOGAIN, EXPOSURE_AUTO, ANALOGUE_GAIN) return early without pm_runtime_put(), leaking runtime PM references. The patch changes these cases from return to a ret = ... break pattern to ensure pm...

CVE-2026-46298

CVE-2026-46298 affects the Linux kernel component pseries/papr-hvpipe. A race during ioctl or release handling can occur if an interrupt fires on the same CPU, potentially causing a deadlock. The patch fixes both handlers by using spin_lock_irqsave/spin_lock_irqrestore, preventing the deadlock. T...

CVE-2026-46313

CVE-2026-46313 concerns a Linux kernel vulnerability in the media/ipu6 path. The issue is an error-pointer dereference in ipu6_pci_probe() where isp->psys is an error pointer (not NULL) and is dereferenced, potentially leading to a crash. The fix sets isp->psys to NULL on the error path bef...

CVE-2026-52993

Summary (CVE-2026-52993): In the Linux kernel TIPC module, a double-free flaw occurs in tipc_buf_append() when tipc_msg_validate() reallocates an skb and the code incorrectly frees the original skb. The root cause is that the validation path may free a previously freed skb if reallocation occurs,...

CVE-2026-53183

CVE-2026-53183 affects the Linux kernel MPTCP implementation. The issue allows the TCP subflow receive window to shrink independently of the netns, which can inflate the MPTCP receive window and cause incoming data to exceed the receiver’s rcvbuf, potentially leading to DoS or a system becoming u...

CVE-2026-53222

In the Linux kernel, CVE-2026-53222 relates to the ptp: ocp driver. The root cause was use-after-free during driver removal caused by freeing resources in ptp_ocp_detach() before ptp_clock_unregister(), after a change that disables events via ptp_disable_all_events(). The fix changes the free/unr...

CVE-2026-53252

The CVE-2026-53252 affects the Linux kernel Bluetooth HCI path. Root cause: memory leak of SRCU percpu memory when device init fails before hci_register_dev(), due to not cleaning up the SRCU struct on the unregistered fallback path. Fix: call cleanup_srcu_struct() in bt_host_release() fallback b...

CVE-2026-53353

CVE-2026-53353 affects the Linux kernel HSR code. The issue arises from a window where a device can be found but hsr->self_node is not set because of the ordering of dellink() and unregister_netdevice_many(), leading to a warning in hsr_addr_is_self() that is being removed. The fix removes WAR...

CVE-2022-49975

CVE-2022-49975 affects the Linux kernel’s BPF path, where a redirect of packets with invalid pkt_len could occur. The root cause is described as a BPF program test/run path (bpf_prog_test_run_skb) redirecting empty skbs, leading to a potential flow handling issue in fq_codel_drop(). The vulnerabi...

CVE-2022-50082

CVE-2022-50082 affects the Linux kernel ext4 subsystem. The issue arises in ext4_iomap_begin due to a race between bmap and write, which can trigger a WARN_ON_ONCE path during file writes, evidenced by a kernel warning trace through iomap_apply → iomap_bmap → ext4_bmap → bmap. The consequence is ...

CVE-2022-50408

The CVE-2022-50408 entry concerns a use-after-free in brcmfmac within the Linux kernel when handling wifi transmission in brcmf_netdev_start_xmit(). The vulnerability can allow a schedule race between brcmf_proto_tx_queue_data and updating skb stats, leading to a use-after-free observed by KASAN....

CVE-2023-53249

CVE-2023-53249 affects Linux kernel clk-imx8mn clock driver. The vulnerability arises from a memory-leak in imx8mn_clocks_probe caused by using of_iomap() for an ioremap region and kzalloc() for allocations that aren’t automatically freed if error paths occur. The fix switches to devm_of_iomap() ...

CVE-2023-53354

The CVE-2023-53354 issue affects the Linux kernel, specifically skb_segment() in net/core/skbuff.c. A bug caused by calling skb_orphan_frags() before zero-copy handling can update nrfrags and leave frag pointing to stale values, leading to a NULL pointer dereference and kernel panic in the GSO pa...

CVE-2023-53407

CVE-2023-53407 refers to a Linux kernel issue in USB gadget support for pxa27x_udc where memory leaks occur if debugfs_lookup() results are not released (dput). The resolution, as described in multiple sources, is to call debugfs_lookup_and_remove() which handles the lookup and cleanup in one ste...

CVE-2023-53431

CVE-2023-53431 : Linux kernel vulnerability in the SCSI SES enclosure handling. The issue occurs when an enclosure has only a primary component (no secondary components) and previously caused binding/enclosure processing to bail, potentially contributing to crashes during iSCSI session disconnect...

CVE-2023-53439

CVE-2023-53439 concerns the Linux kernel fix for skb_partial_csum_set() where skb->transport_header used the sentinel value 0xFFFF to indicate the transport header status. The description indicates the vulnerability arose from callers potentially setting skb->transport_header to 0xFFFF, and...

CVE-2023-53441

CVE-2023-53441: Linux kernel bpf cpumap memory leak fix. The vulnerability concerns cpu_map_update_elem leaking memory in the BPF map update path (cpu_map_entry_alloc path) as observed by Syzkaller. The fix is in the kernel, referenced by commits such as a957ac8e0b5ffb5797382a6adbafd005a5f72851 a...

CVE-2025-38241

CVE-2025-38241 affects the Linux kernel in mm/shmem and swap paths, causing a soft lockup with mTHP swapin due to a conflict between readahead-ordered folios in swap cache and the swapin folio allocation. The issue occurs when a 10G swap device (e.g., zram) is used with THP and cgroup memory limi...

CVE-2025-38558

In CVE-2025-38558, the Linux kernel USB gadget VAR: uvc frame-based format previously crashed when color_matching descriptor was missing, due to a NULL pointer dereference. The fix initializes the color matching descriptor for frame-based formats, mirroring the handling already present for uncomp...

CVE-2025-38627

CVE-2025-38627 affects the f2fs component of the Linux kernel. The root cause is a use-after-free of f2fs_inode_info in f2fs_free_dic when decompress_io_ctx is released asynchronously after I/O completion, potentially evicting the inode before dic is used. The exploit scenario involves concurrent...

CVE-2025-38629

Technical details about CVE-2025-38629 are not publicly available in the provided connected documents. The initial description mentions a NULL check in scarlett2, but no further technical specifics are provided. Monitor for updates.

CVE-2025-38683

CVE-2025-38683 affects hv_netvsc in the Linux kernel. The issue arises during namespace deletion when a VF NIC is moved to a new namespace and then back, causing netdev list handling to dereference NULL and trigger a kernel panic. The supplied references describe the root cause as a race in defau...

CVE-2025-38688

CVE-2025-38688: In the Linux kernel’s iommufd code, ALIGN() overflow could occur while allocating IOVA ranges near ULONG_MAX, risking overlapping mappings or mapping against reserved ranges. The fix uses get_add_overflow() to guard ALIGN() and consolidates the checks under a single helper. Public...

CVE-2025-38711

CVE-2025-38711 : Linux kernel vulnerability fixed in smb/server deadlock scenario when linking with ReplaceIfExists. If smb2_create_link() is called with ReplaceIfExists and the target name exists, ksmbd_vfs_kern_path_locked() locks the parent, then ksmbd_vfs_remove_file() deletes the file, and k...

CVE-2025-38735

CVE-2025-38735 affects the Linux kernel gve driver; a crash can occur if an ethtool operation is dispatched after shutdown() when internal data structures are torn down. The documented fix is to call netif_device_detach() during shutdown to mark the device detached, causing the ethtool ioctl hand...

CVE-2025-39678

CVE-2025-39678 affects the Linux kernel, specifically the x86/amd/hsmp code path. The vulnerability arises when sock->metric_tbl_addr is NULL, which can cause a NULL pointer dereference when accessing metrics_bin. The provided connected SUSE advisory confirms the fix: a NULL check was added to...