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 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

CVE-2026-68132 concerns the Linux kernel thaw deadlock involving frozen block devices. The root cause is do_thaw_all_callback() calling bdev_thaw() while holding sb->s_umount, which can lead to a deadlock when a block device frozen via bdev_freeze() drops the last freeze reference and fs_bdev_...