CVE-2026-52991

A flaw was found in the Linux kernel's Pressure Stall Information PSI subsystem. A race condition exists between the file release and pressure write operations, specifically concerning the priv member of struct kernfsopenfile. This can lead to a use-after-free vulnerability or a NULL dereference,...

CVE-2026-52991

In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressure write and cgroup file release regarding the priv member of struct kernfsopenfile, which triggers the uaf reported in 1...

CVE-2023-52707

CVE-2023-52707: Linux kernel sched/psi use-after-free in ep_remove_wait_queue() can occur when a non-root cgroup is removed while a thread is polling a pressure file; the polling thread may access a freed waitqueue during file close/exit, causing a use-after-free. The issue is rooted in cgroup_fi...