EUVD-2026-86756

In the Linux kernel, the following vulnerability has been resolved: fs: don't return -EINVAL for successful nested thaw Commit 7366f8b6fc6a "fs: handle freezing from multiple devices" replaced the freezeholders bitmask with per-holder counters to allow nested freezes. In the bitmask version, a th...

CVE-2026-97902

The Linux kernel contains a vulnerability where thaw_super_locked() incorrectly returns -EINVAL when a nested thaw succeeds but other holders remain. This misinforms callers, specifically breaking bdev-initiated freezing . When a filesystem is frozen via FIFREEZE and nested via bdev_freeze(), the...

UBUNTU-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...