CVE-2026-45861 gfs2: Fix slab-use-after-free in qd_put

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in qdput Commit a475c5dd16e5 "gfs2: Free quota data objects synchronously" started freeing quota data objects during filesystem shutdown instead of putting them back onto the LRU list, but it failed ...

CVE-2026-45861

CVE-2026-45861 refers to a Linux kernel vulnerability in the GFS2 file system. The root cause is a slab-use-after-free: during filesystem shutdown, quota data objects were freed without being removed from the LRU list due to the change in the a475c5dd16e5 sequence. As a result, the shrinker (gfs2...

CVE-2026-45861

gfs2: Fix slab-use-after-free in qdput...