blk-cgroup: dropping parent refcount after pd_free_fn() is done
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: dropping parent refcount after pd_free_fn() is done Some cgroup policies will access parent pd through child pd even after pd_offline_fn() is done. If pd_free_fn() for parent is called before child, then UAF can be triggered. Hence it's b…
Severity high: primary CNA CVSS 7.8 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-12-24T13:06:31.505Z. Updated 2026-10-15T21:41:39.921Z.