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 f…
High CVSS 7.8
Summary
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 kernfs_open_file, which triggers the uaf reported in [1]. Consider the following scenario involving execution on two separate CPUs: CPU0 CPU1 ==== ==== vfs_rmdir() kernfs_iop_rmdir() cgroup_rmdir() cgroup_kn_lock_liv…
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://git.kernel.org/stable/c/03dc070fa0fc3cb4068693f468ccd5f8a7e58282 Patch
- https://git.kernel.org/stable/c/a5b98009f16d8a5fb4a8ff9a193f5735515c38fa Patch
- https://git.kernel.org/stable/c/d4352c0709bfd38c752fccbde7fd72a82ac78f23 Patch
- https://access.redhat.com/errata/RHSA-2026:57251
- https://access.redhat.com/errata/RHSA-2026:57252
- https://access.redhat.com/errata/RHSA-2026:57253
- https://access.redhat.com/errata/RHSA-2026:57254
- https://access.redhat.com/security/cve/CVE-2026-52991 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492403 Issue Tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52991.json Third Party Advisory
Timeline
- nvd_ingest NVD