CVE-2026-43490

The CVE-2026-43490 entry concerns the Linux kernel ksmbd SMB server. The flaw arises in smb_inherit_dacl() where the code validates a fixed SID header but not the variable-length SID described by sid.num_subauth, allowing a malformed inheritable ACE to advertise more subauthorities than present. ...

CVE-2026-46152

CVE-2026-46152 affects the Linux kernel’s wifi/mac80211 subsystem. The root cause is that ieee80211_invoke_fast_rx() uses a static per-invocation rx_result, causing concurrent callers to share a single instance and potentially overwrite results between ieee80211_rx_mesh_data() and the switch on r...

CVE-2026-46173

CVE-2026-46173 concerns the Linux kernel. The issue arises when an already-exiting task oopses and make_task_dead() calls do_task_dead() with preemption enabled, while __schedule() must be called with preemption disabled. If a preempted oopsing task is still in the dead-state, finish_task_switch(...

CVE-2026-46166

The CVE-2026-46166 affects the Linux kernel’s wireless subsystem (mac80211) in the radar detect work. The root cause is unsafe list iteration during radar processing, where ieee80211_dfs_cac_cancel can free the iterated chanctx and remove it from the list, causing a slab-use-after-free. A guarded...

CVE-2026-46167

CVE-2026-46167 – Linux kernel usb/usblp heap leak : The vulnerability stems from an uninitialized status buffer (statusbuf) allocated at probe time for LPGETSTATUS. If a malicious printer returns zero bytes, a stale 8-byte heap region could be copied to userspace via LPGETSTATUS, causing a heap l...

CVE-2026-46189

CVE-2026-46189 affects the Linux kernel RDMA pvrdma component (pvrdma_alloc_ucontext). The issue is a double free: pvrdma_uar_free() is invoked in pvrdma_dealloc_ucontext() and is erroneously called before, creating a double free condition. Concrete fixes exist in OSV entries for multiple distrib...

CVE-2026-46303

The CVE-2026-46303 vulnerability affects the Linux kernel isofs Rock Ridge CE handling. rock_continue() could use rs->cont_extent without validating the block number, allowing potential reads of data from an adjacent filesystem via sb_bread() on crafted ISO mounts. The issue was addressed by p...

CVE-2026-46178

The CVE-2026-46178 entry concerns the Linux kernel RDMA/mlx4 component. A resource leak could occur during error handling in mlx4_ib_create_srq(), because mlx4_srq_alloc() was not undone during error unwinding. The fix adds a call to mlx4_srq_free() to properly release the resource when an error ...

CVE-2026-46233

CVE-2026-46233 affects the Linux kernel batman-adv component (batadv_bla_purge_claims). The issue arises when iterating the claims list with an rcu_read_lock() and encountering a claim being released, potentially setting backbone_gw to NULL before the delayed kfree, making batadv_bla_claim_get_ba...

CVE-2026-46273

The CVE-2026-46273 entry describes a Linux kernel vulnerability in the ibmveth driver affecting Power systems: GSO offload fails when MSS < 224 bytes, potentially freezing the network adapter and causing DoS until a manual reset. The fix adds an ndo_features_check to disable GSO for MSS 1; si...

CVE-2026-46304

MODE C: The CVE-2026-46304 entry centers on the Linux kernel nvmet subsystem. The vulnerability stems from nvmet_tcp_release_queue_work() running on the nvmet-wq and possibly dropping the final controller reference through nvmet_cq_put(), which can trigger nvmet_ctrl_free() and flush ctrl->asy...

CVE-2026-52917

Summary (concrete details from provided sources): CVE-2026-52917 fixes a Linux kernel SCTP diagnostics flaw in the sock_diag lookup during the dump_one path. The issue occurs when an SCTP association has been freed but is still being reported, allowing the code to dereference an invalid associati...

CVE-2026-46033

The CVE-2026-46033 issue in the Linux kernel crypto/authencesn was fixed: authenc ESN paths require either a zero authsize or an authsize of at least 4 bytes, but a later path could copy digestsize into inst->alg.maxauthsize without validation, allowing ahash digests of 1–3 bytes (e.g., cbcmac...

CVE-2026-46157

The CVE-2026-46157 entry concerns the ALSA PCM OSS subsystem in the Linux kernel, where runtime.oss.trigger could be accessed concurrently without protection, causing a data race on a bit field and risking corruption of adjacent fields. The issue is addressed by extending the existing params_lock...

CVE-2026-46212

CVE-2026-46212 concerns the Linux kernel’s batman-adv module. The vulnerability arises when deleting backbone claims in batman-adv (function batadv_bla_del_backbone_claims): the code drops a hash-list link entry that is still referenced, risking that the entry could be freed by batadv_claim_relea...

CVE-2026-46276

CVE-2026-46276 concerns the Linux kernel AMDGPU driver on RDNA4 (GFX 12). The issue: amdgpu_ttm_init_on_chip() is called for GDS, GWS and OA resources regardless of whether they exist; when a resource size is zero, drm_mm_init(0,0) triggers DRM_MM_BUG_ON and can crash the kernel during modprobe o...

CVE-2026-31716

The CVE-2026-31716 entry covers a Linux kernel NTFS3 flaw in journal replay. Description from multiple sources states that check_file_record() validates rec->total against the record size but not rec->used. The journal-replay handlers read rec->used from disk and use it to compute memmov...

CVE-2026-46110

CVE-2026-46110 affects the Linux kernel stmmac driver. When RX memory is exhausted, stmmac_rx() could misinterpret descriptors (full vs dirty), risking a NULL pointer dereference and potential kernel panic. The fix adds an explicit check to bail out when the next RX descriptor is dirty before adv...

CVE-2026-46112

CVE-2026-46112 relates to the Linux kernel RDMA/hns driver. The vulnerability arises from an unlocked call to hns_roce_qp_remove() during error unwinding in hns_roce_create_qp_common(), where the caller did not hold the required locks, risking memory corruption. The fixes synchronize by grabbing ...

CVE-2026-46133

The CVE-2026-46133 issue affects Linux kernel’s Soft RoCE (RDMA/rxe) where an unauthenticated UDP packet with an unknown opcode could trigger an out-of-bounds read during ICRC/CRC processing due to missing validation of opcodes before length arithmetic. The advisory describes that entries in the ...

CVE-2026-46182

The CVE-2026-46182 issue affects the Linux kernel component pseries/papr-hvpipe . The root cause is that a local kernel stack variable hdr (papr_hvpipe_hdr) is allocated on the stack and only hdr.version and hdr.flags are initialized, leaving reserved padding bytes uninitialized. When copied to u...

CVE-2026-46307

CVE-2026-46307 affects the Linux kernel ath5k driver, where a UBSAN-detected array-index-out-of-bounds in ath5k_tasklet_tx can write beyond a 4-entry ieee80211_tx_rate array, potentially overwriting the next info->status field (ack_signal). Rootcause: ts_final_idx may be 3, causing an out-of-b...

CVE-2026-46320

The CVE-2026-46320 vulnerability affects the Linux kernel tap driver where memory pages allocated for frames in vhost_net_xdp() are not freed on error paths. Specifically, tap_get_user_xdp() may reject frames shorter than ETH_HLEN (-EINVAL) or fail build_skb() (-ENOMEM), but both error paths jump...

CVE-2026-45835

CVE-2026-45835: In the Linux kernel, Bluetooth L2CAP code is vulnerable to a NULL pointer dereference in l2cap_sock_new_connection_cb() due to a missing NULL guard. The fix adds the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb(), addressing the null-ptr-deref ...

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-2026-46160

CVE-2026-46160 concerns the Linux kernel’s Btrfs filesystem: when removing a directory, last_unlink_trans is not updated, which can lead to incorrect fsync behavior if a directory with an open file descriptor is fsynced after removal. This can cause log replay during mount to fail with -EIO, pote...

CVE-2026-46193

CVE-2026-46193 concerns a Linux kernel xfrm AH (AH) implementation issue where ESN high bits are not accounted for in async callback paths, causing miscalculation of ICV/auth offsets on IPv4/IPv6 when ESN is enabled and async hmac is used. The vulnerability arises from reconstructing the temporar...

CVE-2026-46203

The CVE-2026-46203 issue affects the Linux kernel, specifically the spi: cadence-quadspi driver. The root cause is unclocked register access that can occur if the controller is not runtime-resumed before being disabled during driver unbind. The fix ensures the controller is runtime resumed prior ...

CVE-2026-46302

CVE-2026-46302 concerns the Linux kernel SELinux policy handling. The vulnerability arises because multiple processes could concurrently open /sys/fs/selinux/policy, whereas previously only one open was allowed. The root cause is a retained policy_opened flag and a too-large critical section arou...

CVE-2026-31715

In Linux kernel (f2fs), CVE-2026-31715 is a use-after-free triggered by decrementing sbi->nr_pages[] during F2FS_WB_CP_DATA handling. The root cause is that f2fs_put_super() calls iput(sbi->node_inode) and NULLs the node_inode after the counter reaches zero, allowing f2fs_in_warm_node_list(...

CVE-2026-45844

Summary: CVE-2026-45844 affects the Linux kernel netfilter arp_tables on IEEE1394 (FireWire) interfaces. The vulnerability arises because arp_packet_match() unconditionally parses the ARP payload assuming both source and target hardware addresses exist, while IPv4-over-IEEE1394 ARP omits the targ...

CVE-2026-45845

The CVE-2026-45845 issue affects the Linux kernel net/sched taprio code. When deleting a TAPRIO child qdisc via RTM_DELQDISC, taprio_graft() could store NULL in q->qdiscs[] and later RTM_GETTCLASS dump paths could dereference a NULL pointer during taprio_dump_class(), causing a kernel NULL poi...

CVE-2026-46125

CVE-2026-46125 describes a Linux kernel issue in the wifi mac80211 path where, if Multi-Link Operation (MLO) connection preparation fails, the associated station may not be removed correctly. The advisory states that the interface is reset to non-MLD and the station linked to the vif should be de...

CVE-2026-46131

CVE-2026-46131 affects the Linux kernel KVM x86 code. The issue is a faulty check in slow flush hypercalls where is_guest_mode(vcpu) was used incorrectly; translate_nested_gpa() is only valid when an L2 guest runs with nested EPT/NPT enabled, so the condition should match translate_nested_gpa() i...

CVE-2026-46147

CVE-2026-46147 concerns the Linux kernel KVM on ARM64, where two bugs in vCPU initialisation can leak pin references to host vCPU/SVE pages and allow observation of a partially initialised vCPU object. The fixes extract a helper for vCPU registration, ensure proper unpinning on error, and enforce...

CVE-2026-46185

The CVE-2026-46185 issue affects the Linux kernel SMB client. The root cause is insufficient length validation in smb2_check_message() when processing symlink error responses, allowing a symlink_data() path to read beyond the buffer if iov_len is smaller than the 64-byte SMB2 header and accessing...

CVE-2026-46190

Summary (CVE-2026-46190) : A Linux kernel vulnerability in the MTD SPI-NOR debugfs code caused an out-of-bounds read in spi_nor_params_show() due to passing an array of pointers to spi_nor_print_flags() with sizeof(snor_f_names). Since sizeof on a pointer array yields bytes, not element count, th...

CVE-2026-46197

The CVE-2026-46197 issue affects the Linux kernel DRM/AMDKFD component, where the nattr field validation for SVM ioctl was insufficient against the reported buffer size, enabling out-of-bounds access via a user-controlled attribute count. The root cause is input size validation failure in the SVM...

CVE-2026-46202

CVE-2026-46202 concerns the Linux kernel HID driver for the Apple Touch Bar (hid-appletb-kbd). The issue arises when inactivity autodim uses backlight_device_set_brightness() from two atomic contexts (a timer_list callback and input/event paths), causing a mutex lock from an atomic context bug an...

CVE-2026-46207

The CVE-2026-46207 issue affects the Linux kernel’s vsock/virtio path, where non-linear skbs could fail to copy payloads to the vsockmon tap device due to iov_iter not being properly initialized. The fix standardizes handling for both linear and non-linear skbs by removing the linear/non-linear s...

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-2026-46292

CVE-2026-46292 (Linux kernel): The issue is in pmdomain core handling when detaching virtual devices from a genpd. The patch fixes a missing pm_runtime_disable() call in genpd_dev_pm_detach(), which could leave runtime PM enabled for virtual devices after detachment. Consequences described includ...

CVE-2026-52939

CVE-2026-52939 is addressed by the Debian/Ubuntu Linux kernel fixes in the 6.1.y series. Debian LTS advisories (DLA-4671, DLA-4665) indicate linux-6.1 packages are updated to mitigate this issue, e.g., Debian 11/12 updates shipping linux-6.1 with CVE-2026-52939 included and patched versions such ...

CVE-2026-31702

Summary of CVE-2026-31702 details from connected docs: The vulnerability is in the Linux kernel’s f2fs compression path. In f2fs_compress_write_end_io(), dec_page_count(sbi, type) could decrement the F2FS_WB_CP_DATA counter to zero while a concurrent unmount is unrolling, leading to a use-after-f...

CVE-2026-45834

CVE-2026-45834 affects the Linux kernel Bluetooth L2CAP path. A NULL pointer dereference in l2cap_sock_state_change_cb() is fixed by adding the NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb(); patch applies to affected kernel versions (e.g., openSUSE/SUSE notes and ...

CVE-2026-46122

Summary : CVE-2026-46122 concerns the Linux kernel wifi driver (b43) where firmware-provided key indices can exceed the bounds of dev->key[] (58 entries) in b43_rx(), allowing an out-of-bounds read. The fix makes the B43_WARN_ON check enforcing and drops the frame when an invalid key index is ...

CVE-2026-46123

Summary: CVE-2026-46123 affects the Linux kernel Bluetooth virtio_bt driver. The issue arises when virtbt_rx_work() skb_put(skb, len) uses an unvalidated len sourced from virtqueue_get_buf(), with the device exposing a 1000-byte RX buffer. Since alloc_skb() tailroom can exceed 1000, a malicious/b...

CVE-2026-46170

CVE-2026-46170 affects the Linux kernel MPTCP implementation. When ADD_ADDR is retransmitted, the socket reference counting can fail to free the sk, which may trigger indefinite waiting in timer synchronization and cause a DoS. The root cause is improper timer handling during sk_free that could c...

CVE-2026-46198

The CVE-2026-46198 issue affects the Linux kernel’s batman-adv component. A mismatch between integer types caused an integer overflow in batadv_iv_ogm_send_to_if, where buff_pos is s16 while the size check uses an int in batadv_iv_ogm_aggr_packet, potentially enabling an out-of-bounds read. The v...

CVE-2026-46209

CVE-2026-46209 affects the Linux kernel DRM GEM: a discrepancy between plane dimension calculations in drm_gem_fb_init_with_funcs() (plain integer division) and framebuffer_check() (DIV_ROUND_UP via drm_format_info_plane_width/height) can cause GEM size checks to miscalculate, potentially allowin...