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-2024-29774

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue arises when a block device is frozen before being claimed by a filesystem, and another process attempts to mount the frozen block device. This can cause a concurrent fs bdev th...