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.
Advisories

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Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T08:20:58.178Z

Reserved: 2024-02-25T13:44:28.321Z

Link: CVE-2022-48671

cve-icon Vulnrichment

Updated: 2024-08-03T15:17:55.720Z

cve-icon NVD

Status : Modified

Published: 2024-05-03T15:15:07.433

Modified: 2024-11-21T07:33:44.827

Link: CVE-2022-48671

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-05-03T00:00:00Z

Links: CVE-2022-48671 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses