CVE-2026-31477

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK path, goto out...

CVE-2026-31451

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

CVE-2026-31443

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix crash when the event log is disabled If reporting errors to the event log is not supported by the hardware, and an error that causes Function Level Reset FLR is received, the driver will try to restore the...

CVE-2026-31490

CVE-2026-31490 affects the Linux kernel drm/xe/pf component. A use-after-free vulnerability occurs when xe_sriov_pf_migration_restore_produce() returns an error and the data pointer is not cleared, potentially enabling memory corruption or a crash. The fix sets the data pointer to NULL on error t...

CVE-2026-31477

In CVE-2026-31477, the Linux kernel ksmbd component smb2_lock() had three error-handling issues after detaching smb_lock from lock_list: (1) non-UNLOCK path leaks smb_lock and its flock when vfs_lock_file() returns an unexpected error, (2) UNLOCK path leaks on -ENOENT with stale error code, and (...

CVE-2026-31477 ksmbd: fix memory leaks and NULL deref in smb2_lock()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK path, goto out...

CVE-2026-31477 ksmbd: fix memory leaks and NULL deref in smb2_lock()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK path, goto out...

CVE-2026-31451 ext4: replace BUG_ON with proper error handling in ext4_read_inline_folio

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

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-2026-31451 ext4: replace BUG_ON with proper error handling in ext4_read_inline_folio

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

CVE-2026-31443

CVE-2026-31443 : Linux kernel, dmaengine: idxd driver fix. When hardware does not support event logging and a Function Level Reset (FLR) occurs, the driver previously attempted to restore the event log even if it was never allocated, and may crash. The fix ensures the event log is only freed if i...

CVE-2026-31439 dmaengine: xilinx: xdma: Fix regmap init error handling

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devmregmapinitmmio returns an ERRPTR upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERRPTR instead of the wrong value in r...

CVE-2026-31439

The CVE-2026-31439 entry refers to a Linux kernel issue in dmaengine: xilinx: xdma, where devm_regmap_init_mmio could return an ERR_PTR and the error handling/ messaging were incorrect. The description and connected advisories confirm this is a kernel regression/fix in the regmap init path, with ...

CVE-2026-31439 dmaengine: xilinx: xdma: Fix regmap init error handling

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devmregmapinitmmio returns an ERRPTR upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERRPTR instead of the wrong value in r...

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

PT-2026-34344

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the dmaengine xilinx xdma component regarding regmap initialization error handling. The function devm regmap init mmio returns an ERR PTR upon encountering an error...

PT-2026-34348

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crash occurs in the dmaengine idxd driver when the event log is disabled. If the hardware does not support reporting errors to the event log and an error triggering a Function Level...

PT-2026-34382

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The smb2 lock function in the ksmbd module contains three error handling issues. First, if vfs lock file returns an unexpected error in the non-UNLOCK path, the smb lock and its flock ar...

Linux Distros Unpatched Vulnerability : CVE-2026-31451

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This...