CVE-2023-53400

CVE-2023-53400 : In the Linux kernel, ALSA: hda: Fix Oops by 9.1 surround channel names. The root cause is get_line_out_pfx() overflowing a static array when more than 8 channels are present (reported on MacBookPro 12,1 with Cirrus codec). The fix extends the code paths to accommodate 9.1 channel...

CVE-2026-31576

CVE-2026-31576 affects the Linux kernel hackrf driver. A race condition allows use-after-free and double-free when memory for the hackrf device is freed on the error path after probe() has registered the device. Open file descriptors and in-flight I/O can still reference the device while v4l2/vid...

CVE-2026-31578

CVE-2026-31578: Linux kernel as102_usb driver race leads to use-after-free/double-free when a device is deregistered while an open FD remains. The crash arises from freeing as102_dev_t after usb_register_dev() and before the final FD is closed; the fix defers freeing to the .release() path, ensur...

CVE-2022-50241

CVE-2022-50241 is a Linux kernel local-use-after-free in NFSD during inter-server copy. The race occurs when a CLOSE may be sent before FREE_STATEID, leaving a freed lock/state entry on the s2s_cp_stateids/sc_cp_list and triggering a BAD_STATEID on subsequent FREE_STATEID. The referenced patches ...

CVE-2023-53282

CVE-2023-53282 concerns the Linux kernel, specifically the lpfc SCSI driver path used during a sysfs firmware write. The issue is a use-after-free KFENCE violation in lpfc_wr_object() where a pointer referencing mailbox memory is recycled before the memory is no longer in use, causing a potential...

CVE-2023-53286

CVE-2023-53286 affects the Linux kernel’s RDMA mlx5 path. The issue is: when destroying QP/RQ, the firmware destruction result was ignored, so upper layers could proceed as if destruction succeeded, potentially triggering kernel WARNs. The description specifies that the kernel now returns the fir...

CVE-2023-53295

CVE-2023-53295 affects the Linux kernel, specifically the UDF module. The issue occurs when writing to inline files fails (or is only partially successful); the kernel wrongly updates the file length as if the entire write had succeeded. Root cause: updating length of inline data on failed writes...

CVE-2023-53317

CVE-2023-53317 is a Linux kernel vulnerability in the ext4 subsystem, specifically the mb_find_extent path. The provided description shows a fix for a WARNING triggered in mb_find_extent and associated traces involving ext4_mb_complex_scan_group and ext4_ext_map_blocks, indicating a misbehavior i...

CVE-2025-39745

CVE-2025-39745 relates to the Linux kernel rcutorture code path in PREEMPT_RT builds. The issue manifests as a splat in rcutorture_one_extend_check() during RT testing due to an interaction with preempt_count/softirq handling; Debian/OSS and OSV/NVD records indicate the vulnerability has been res...

CVE-2025-39753

CVE-2025-39753 relates to the Linux kernel’s gfs2 code. The vulnerability is resolved by a patch that adds the .migrate_folio flag in gfs2_{rgrp,meta}_aops, addressing a warning: gfs2_meta_aops does not implement migrate_folio, triggering messages during xfstests. The described impact is the supp...

CVE-2023-53257

CVE-2023-53257 is a Linux kernel vulnerability in wifi/mac80211: check S1G action frame size. The fix ensures the action frame exists before inspecting its code, addressing a potential improper memory handling in the frame processing path. The CVSS v3.1 base score is 7.8 (HIGH), with LOCAL attack...

CVE-2023-53410

CVE-2023-53410 (Linux kernel) : The issue is a memory leak in USB ULPI related to using debugfs_lookup() without proper dput() on the result. The recommended remediation is to replace the call with debugfs_lookup_and_remove(), which handles lookup and cleanup in one step. Affected context and ref...

CVE-2025-39905

The CVE-2025-39905 issue affects the Linux kernel phylink path: the race arises from phylink_resolve() manipulating pl->phydev under pl->state_mutex, creating a lock-order inversion with pl->phydev->lock. The fix introduces an explicit lock to serialize concurrent writes to pl->phy...

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-2022-50210

CVE-2022-50210 concerns the Linux kernel on MIPS where a warning is produced in /proc/cpuinfo due to cpu_max_bits_warn() iterating CPUs with NR_CPUS when CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are enabled. The root cause is using NR_CPUS as the iteration limit; the fix switches to ...

CVE-2022-50261

Summary (CVE-2022-50261) : Linux kernel drivers for STI DRM (sti_hda.c, sti_dvo.c, sti_hdmi.c) used an int return type for mode_valid(), but the drm_connector_helper_funcs prototype requires returning an enum drm_mode_status. This mismatch can trigger a CFI (kCFI) failure and runtime problems (ke...

CVE-2022-50333

CVE-2022-50333 concerns the Linux kernel: fs/jfs contains a shift-out-of-bounds bug in dbDiscardAG, addressed by guarding the dbMount to mitigate URSAN-generated issues. The connected Nessus/SUSE advisories reproduce the same description and confirm a kernel-level fix, without detailing affected ...

CVE-2023-53222

CVE-2023-53222 pertains to the Linux kernel, specifically the JFS filesystem code (jfs_dmap). The issue is a mounting-time validation flaw in db_l2nbperpage: BLKTODMAP uses db_l2nbperpage to shift, and an unchecked large value can trigger a shift-out-of-bounds crash. The root cause is that db_l2n...

CVE-2023-53223

The CVE-2023-53223 issue affects the Linux kernel component drm/msm/dsi where alloc_ordered_workqueue may return NULL. The vulnerability arises from a missing check of the return value, potentially leading to a NULL pointer dereference. A patch addressing this check has been published (Patchwork:...

CVE-2023-53230

CVE-2023-53230 concerns the Linux kernel SMB client. The publicly provided docs identify the issue as a fix to a warning in fs/smb/client/cifsfs.c:982 within cifs_smb3_do_mount(), described as a memory‑leak warning reported by the kernel test robot. The connected advisories indicate the patch was...

CVE-2023-53383

CVE-2023-53383: In the Linux kernel, a workaround was added for NVIDIA T241-FABRIC-4 erratum affecting inter-socket interleaving of AXI4 transactions in GICv3. The issue can cause GIC state corruption and potentially kernel panics on NVIDIA server platforms with more than two sockets, due to inte...

CVE-2023-53415

CVE-2023-53415 concerns the Linux kernel USB-DWC3 subsystem. The vulnerability arises from not freeing memory obtained via debugfs_lookup(): the returned object must be released with dput(), otherwise a memory leak occurs over time. The fixed approach consolidates the logic by using debugfs_looku...

CVE-2026-31583

The CVE-2026-31583 issue affects the Linux kernel em28xx media driver. A race in em28xx_v4l2_open() occurs because dev->v4l2 is read without holding dev->lock, racing with em28xx_v4l2_init()/em28xx_v4l2_fini() that free the structure and set dev->v4l2 to NULL under lock. This leads to us...

CVE-2022-50205

The CVE-2022-50205 entry corresponds to a Linux kernel vulnerability in ext2 that adds validity checks for inode counts. The root cause is that inodes stored in the superblock must match the computed value from inodes-per-group, and there must be at least one block worth of inodes per group; thes...

CVE-2023-53246

CVE-2023-53246 (Linux kernel, CIFS DFS upcall) : When CONFIG_CIFS_DFS_UPCALL is disabled, cifs_dfs_d_automount becomes NULL and the CIFS DFS referral handling can trigger a NULL pointer dereference in VFS follow_automount() while traversing a DFS referral. The fix adds an inline cifs_dfs_d_automo...

CVE-2023-53276

In CVE-2023-53276, the Linux kernel ubifs code leaks memory: fscrypt_setup_filename allocates memory for the tmpfile name, but this memory is not freed after the name is copied into the directory entry inode (ubifs_tmpfile → vfs_tmpfile → path_openat). The kmemleak report shows an unreferenced ob...

CVE-2023-53279

CVE-2023-53279 concerns a Linux kernel issue in the misc: vmw_balloon path where calling debugfs_lookup() left the result undereferenced (no dput), causing a memory leak over time. The published fixes replace the single-lookup path with debugfs_lookup_and_remove(), which performs the necessary cl...

CVE-2023-53387

CVE-2023-53387 affects the Linux kernel in the SCSI UFS path (ufshcd). In the UFS error handling flow, a device management command (NOP OUT) timeout can leave hba->dev_cmd.complete not NULL; if the device later completes the command, complete() is invoked for a stack-allocated structure, causi...

CVE-2023-53409

The CVE-2023-53409 issue concerns the Linux kernel: when using debugfs_lookup(), the returned object must be released with dput() to prevent a memory leak. The advisories state a fix by using debugfs_lookup_and_remove(), which handles the necessary logic in one step, mitigating the memory leak. A...

CVE-2023-53412

The CVE-2023-53412 issue affects the Linux kernel USB gadget bcm63xx_udc where memory leaks occur when using debugfs_lookup() because the result is not dput()’d. The mitigated pattern is to call debugfs_lookup_and_remove() which handles the lookup and cleanup in one step, preventing leaks. Eviden...

CVE-2023-53418

The CVE-2023-53418 issue affects the Linux kernel USB gadget driver, specifically the lpc32xx_udc in the USB subsystem. The root cause was a memory leak when using debugfs_lookup() because the returned object was not paired with a dput(), leaving memory allocated over time. The provided fixes sim...

CVE-2023-53438

CVE-2023-53438 : In the Linux kernel, the AMD Zen IF poison error path could misclassify context due to non-synchronous delivery of poison by the IF unit. The issue is mitigated by adding a quirk to always save the Code Segment (CS) register when poison is consumed from the IF unit banks, ensurin...

CVE-2023-53443

CVE-2023-53443 affects the Linux kernel mfd Arizona driver. The root cause is a refcount leak in arizona_clk32k_enable() caused by using pm_runtime_get_sync(), which can increase the refcount even on error. The fix is to use pm_runtime_resume_and_get() to avoid leaking references. Impact per advi...

CVE-2026-31579

The CVE-2026-31579 issue affects the Linux kernel’s WireGuard integration where wg_netns_pre_exit() manually acquired rtnl_lock(), risking a hung task when another thread holds the RTNL mutex. The vulnerability is mitigated by moving the cleanup to the .exit_rtnl hook (which the framework already...

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-2026-31609

CVE-2026-31609 affects the Linux kernel SMB client; the double-free occurs in smbd_free_send_io() after smbd_send_batch_flush() because smbd_send_batch_flush() already frees via smbd_free_send_io() and has been moved to the batch list. The issue has been addressed in multiple advisories and patch...

CVE-2022-50252

CVE-2022-50252 affects the Linux kernel igb driver. The issue arises when memory pressure triggers kzalloc() failure: q_vector is freed but not cleared from adapter->q_vector[v_idx], risking a use-after-free. The available connected advisories confirm the fix was implemented to ensure that q_v...

CVE-2022-50344

CVE-2022-50344 - Linux kernel ext4 null-ptr-deref Affects: Linux kernel ext4 subsystem (ext4_write_info) in quota handling during umount/shutdown paths. Root cause: A null pointer dereference can occur in ext4_write_info when the superblock root inode is no longer valid during unmount, leading to...

CVE-2023-53176

CVE-2023-53176 concerns the Linux kernel serial driver stack. When unbinding a port-specific 8250 driver, control passes to the generic serial8250 driver while port->pm may still reference the now-destroyed driver, causing an oops roughly 10 seconds later. The connected documents confirm the r...

CVE-2023-53297

CVE-2023-53297 affects the Linux kernel Bluetooth L2CAP path, where conn->chan_lock was not held before l2cap_get_chan_by_scid; if that call returns NULL, a “bad unlock balance” condition is triggered. Multiple connected advisories (Astra Linux, MiracleLinux, RHEL kernels) document the fix as ...

CVE-2022-50017

CVE-2022-50017 affects the Linux kernel’s mips cavium-octeon implementation, specifically the octeon2_usb_clocks_start path. The root cause is a missing of_node_put() on the reference returned by of_get_parent(), which increments the devicetree reference count and leads to a refcount leak. The fi...

CVE-2022-50253

CVE-2022-50253 is a Linux kernel issue where bpf code did not ensure skb->len was non-zero when redirecting to a tunneling device, leading to a length underflow/invalid skb handling path after __skb_pull in certain redirect paths. The vulnerability is exploited via BPF/XDP filtering paths that...

CVE-2022-50296

CVE-2022-50296 affects the Linux kernel where cpu_max_bits_warn() would warn when CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are enabled while displaying /proc/cpuinfo. The root cause is using NR_CPUS to iterate CPUs instead of the runtime limit nr_cpu_ids, which leads to a runtime war...

CVE-2022-50334

CVE-2022-50334: In the Linux kernel, hugetlbfs_parse_param() dereferenced param->string when a zero-length fs parameter could yield null, due to vfs_parse_fs_string setting string to NULL. This NULL-ptr-deref was triggered when illegal parameters like size=, were parsed. The fix adds a sanity ...

CVE-2022-50346

CVE-2022-50346 is a Linux kernel ext4 issue where ext4_rename may modify old.inode’s ctime and trigger quota/extra_isize expansion, potentially allocating blocks and emitting a quota-related warning. The root cause involves ext4_xattr handling during a rename, with syzbot traces showing s_want_ex...

CVE-2022-50358

The CVE-2022-50358 issue affects the Linux kernel driver brcmfmac. When the dongle reports an invalid max_flowrings value (greater than 256) during firmware initialization, the host may read an abnormal number and trigger a kernel panic when performing iowrite to initialize the dongle ring. The v...

CVE-2023-53220

CVE-2023-53220 affects the Linux kernel, specifically the media/az6007 driver. The vulnerability arises in az6007_i2c_xfer where user-controlled msg[i].buf could be dereferenced if msg[i].buf is null and msg[i].len is zero, bypassing previous checks and potentially crashing. The root cause is mis...

CVE-2023-53346

The CVE-2023-53346 entry concerns a memory-leak in the Linux kernel’s kernel/fail_function logic. The issue occurs when using debugfs_lookup(): the returned object must be released with dput(), otherwise memory leaks accrue over time. The associated advisories indicate a straightforward remediati...

CVE-2023-53408

CVE-2023-53408 affects the Linux kernel’s trace/blktrace path. The issue is a memory leak when using debugfs_lookup(); the returned object must be dput()’d, otherwise memory leaks accumulate. The documented fix simplifies handling by replacing the call with debugfs_lookup_and_remove(), which perf...