CVE-2026-63804

The CVE-2026-63804 issue is a gfs2 use-after-free in gfs2_qd_dealloc triggered by an RCU callback accessing sdp after qd is freed. The root cause is that gfs2_put_super() may free the superblock via free_sbd() before pending RCU callbacks (including gfs2_qd_dealloc) complete. The public details i...

CVE-2022-49348

In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in sbi-smountstate is used to indicate that we are in the middle of replay the fast commit journal. This was actually a mistake, since the...

CVE-2024-53143 fsnotify: Fix ordering of iput() and watched_objects decrement

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix ordering of iput and watchedobjects decrement Ensure the superblock is kept alive until we're done with iput. Holding a reference to an inode is not allowed unless we ensure the superblock stays alive, which fsnotif...