CVEvulnerability

CVE-2022-48671

5.5 MEDIUM Published 2024-05-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2024-05-03
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-667

Description

In the Linux kernel, the following vulnerability has been resolved: cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all() syzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at cpuset_attach() [1], for commit 4f7e7236435ca0ab ("cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock") missed that cpuset_attach() is also called from cgroup_attach_task_all(). Add cpus_read_lock() like what cgroup_procs_write_start() does.

Affected configurations

• linux linux kernel (>= 5.4.213 < 5.4.215) • linux linux kernel (>= 5.10.143 < 5.10.145) • linux linux kernel (> 5.15.68 < 5.15.70) • linux linux kernel (>= 5.19.9 < 5.19.11)

Related

Weakness · CWE (1)

  • CWE-667 Improper Locking weakness

References