Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: super: Fixed an emergency thaw deadlock on frozen block devices The dothawallcallback function calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen using bdevfreeze, releasing the last block-laye...

SUSE CVE-2026-89831

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect criticaltaskpriority updates with sumount The sysfs store path already takes sumount for GC thread control entries, and ckptthreadioprio is covered as well. criticaltaskpriority also updates checkpoint or GC kthread...

DEBIAN-CVE-2026-89831

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect criticaltaskpriority updates with sumount The sysfs store path already takes sumount for GC thread control entries, and ckptthreadioprio is covered as well. criticaltaskpriority also updates checkpoint or GC kthread...

CVE-2026-89831 f2fs: protect critical_task_priority updates with s_umount

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect criticaltaskpriority updates with sumount The sysfs store path already takes sumount for GC thread control entries, and ckptthreadioprio is covered as well. criticaltaskpriority also updates checkpoint or GC kthread...

CVE-2026-89831

CVE-2026-89831 affects the f2fs filesystem in the Linux kernel. The critical_task_priority sysfs attribute updates checkpoint or GC kthread scheduling state but was not serialized with the s_umount lock, unlike the similar GC thread control entries and ckpt_thread_ioprio . This omission allows a ...

EUVD-2026-80431

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect criticaltaskpriority updates with sumount The sysfs store path already takes sumount for GC thread control entries, and ckptthreadioprio is covered as well. criticaltaskpriority also updates checkpoint or GC kthread...

CVE-2026-89831 f2fs: protect critical_task_priority updates with s_umount

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect criticaltaskpriority updates with sumount The sysfs store path already takes sumount for GC thread control entries, and ckptthreadioprio is covered as well. criticaltaskpriority also updates checkpoint or GC kthread...

CVE-2026-89831: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect criticaltaskpriority updates with sumount The sysfs store path already takes sumount for GC thread control entries, and ckptthreadioprio is covered as well. criticaltaskpriority also updates checkpoint or GC kthread...

SUSE CVE-2026-68132

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

SUSE CVE-2026-68150

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

CVE-2026-68150

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

UBUNTU-CVE-2026-68150

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

CVE-2026-68150

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

CVE-2026-68132

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

CVE-2026-68150 fs/super: fix emergency thaw double-unlock of s_umount

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

CVE-2026-68150 fs/super: fix emergency thaw double-unlock of s_umount

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

CVE-2026-68132 super: fix emergency thaw deadlock on frozen block devices

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

CVE-2026-68132 super: fix emergency thaw deadlock on frozen block devices

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

PT-2026-69550

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the do thaw all function iterates over superblocks using iterate supers with SUPER ITER EXCL, which exclusively acquires s umount before calling the callback and...

PT-2026-69532

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the emergency thaw worker can deadlock when handling frozen block devices. This occurs because the function do thaw all callback calls bdev thaw while holding the...