SUSE-SU-2026:20615-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 and SL MIxro 6.2 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-40147: blk-throttle: fix access race during throttle policy activation bsc1253344. - CVE-2025-40257: mptcp: fix a race in mptcppmdeladdtimer...

CVE-2026-23168: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: flexproportions: make fpropnewperiod hardirq safe Bernd has reported a lockdep splat from flexible proportions code that is essentially complaining about the following race: runtimersoftirq - we are in softirq context calltimerfn...

CVE-2026-23045: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/ena: fix missing lock when update devlink params Fix assert lock warning while calling devlparamdriverinitvalueset in ena. WARNING: net/devlink/core.c:261 at devlassertlocked+0x62/0x90, CPU0: kworker/0:0/9 CPU: 0 UID: 0 PID: ...

SUSE CVE-2026-23036

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before igetfailed in btrfsreadlockedinode In btrfsreadlockedinode if we fail to lookup the inode, we jump to the 'out' label with a path that has a read locked leaf and then we call igetfailed. This can result...

UBUNTU-CVE-2026-23036

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before igetfailed in btrfsreadlockedinode In btrfsreadlockedinode if we fail to lookup the inode, we jump to the 'out' label with a path that has a read locked leaf and then we call igetfailed. This can result...

CVE-2026-23036

The CVE-2026-23036 entry describes a Linux kernel vulnerability in the Btrfs path: release path before iget_failed() in btrfs_read_locked_inode(). The root cause is a sequence that can trigger an ABBA deadlock when iget_failed() evicts an inode while a read-locked leaf is still in scope, leading ...

CVE-2026-23036

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before igetfailed in btrfsreadlockedinode In btrfsreadlockedinode if we fail to lookup the inode, we jump to the 'out' label with a path that has a read locked leaf and then we call igetfailed. This can result...

CVE-2026-23018

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

EUVD-2026-5076

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23018 btrfs: release path before initializing extent tree in btrfs_read_locked_inode()

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23036: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before igetfailed in btrfsreadlockedinode In btrfsreadlockedinode if we fail to lookup the inode, we jump to the 'out' label with a path that has a read locked leaf and then we call igetfailed. This can result...

CVE-2026-23018: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004951)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004951 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Add downwritetraceeventsem when adding trace event When a module is loaded, it adds trac...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21684)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21684 advisory. - In the Linux kernel, the following vulnerability has been resolved: gpio: xilinx: Convert gpiolock to raw...

CVE-2025-71065

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

CVE-2025-71065

The CVE-2025-71065 entry concerns a deadlock in the Linux kernel’s f2fs subsystem. The provided details describe a four-lock deadlock chain involving: Lock A (fs_reclaim), Lock B (sb_start_intwrite), Lock C (f2fs_lock_op), and Lock D (f2fs_down_write). The root-cause trace shows kswapd and other ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: fixed a possible deadlock during policy configuration The resulting deadlock can be easily triggered by lockdep: WARNING: a circular locking dependency was detected 6.17.0-rc3-00124-ga12c2658ced0 1665 Not tainted...

PT-2026-27676

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.15.0-next-20250530-next-20250530 1 Description The Linux kernel contains a flaw in the event scheduling within the perf/core component, specifically in the ctx sched in function. Lockdep detected a bug where an...

PT-2026-5521

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw in the btrfs subsystem where the path was released before the extent tree was initialized within the btrfs read locked inode function. This could lead t...

SUSE CVE-2023-54224

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix lockdep splat and potential deadlock after failure running delayed items When running delayed items we are holding a delayed node's mutex and then we will attempt to modify a subvolume btree to insert/update/delete the...