Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100512 advisory. In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the...

CVE-2026-64378

A flaw was found in the Linux kernel. A race condition exists between the cgroupwritebackumount and inodeswitchwbs functions when a container exits. This race can lead to a kernel panic, resulting in a denial of service. This vulnerability could be triggered by a local user by exiting a container...

SUSE CVE-2026-64378

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

UBUNTU-CVE-2026-64378

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

CVE-2026-64378

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

CVE-2026-64378

CVE-2026-64378 is a Linux kernel race between cgroup_writeback_umount() and inode_switch_wbs()/cleanup_offline_cgwb() triggered when a container exits. The root cause is a window between inode_prepare_wbs_switch() returning true and wb_queue_isw(), which can lead to a VFS: Busy inodes after unmou...

CVE-2026-64378 writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs()

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

EUVD-2026-48922

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

CVE-2026-64378

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

PT-2026-64599

Name of the Vulnerable Software and Affected Versions Linux kernel versions 5.10.y through 6.6.y Description A race condition exists between the cgroup writeback umount and inode switch wbs/cleanup offline cgwb functions. This occurs when a container exits, creating a window between the time inod...

Linux Distros Unpatched Vulnerability : CVE-2026-64378

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: writeback: Fixed the use of “free” after deallocating memory in inodeswitchwbsworkfn. The function inodeswitchwbsworkfn has a loop like this: c wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !li...

SUSE CVE-2026-31703

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

CVE-2026-31703

A flaw was found in the Linux kernel. A use-after-free vulnerability exists in the inodeswitchwbsworkfn function, part of the kernel's writeback subsystem. This issue arises when a work item remains active after its associated memory object wb has been released, leading to system instability. An...

CVE-2026-31703

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

CVE-2026-31703

The CVE-2026-31703 entry is supported by multiple connected sources describing a Linux kernel use-after-free in the writeback path. Specifically, inode_switch_wbs_work_fn() loops over switch_wbs_ctxs and can have wb->switch_work pending while the wb reference is dropped, enabling a use-after-f...

EUVD-2026-26512

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

CVE-2026-31703

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelallwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of items ...

CVE-2026-31703 writeback: Fix use after free in inode_switch_wbs_work_fn()

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an inconsistency between the state of the work queue and the list in the inodeswitchwbsworkfn...