CVE-2022-48671

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-667

Affected software

VendorProductVersions
LinuxLinux>= e446300968c6bd25d9cd6c33b9600780a39b3975, < 321488cfac7d0eb6d97de467015ff754f85813ff; >= 59c6902a96b4439e07c25ef86a4593bea5481c3b, < 07191f984842d50020789ff14c75da436a7f46a9; >= dee1e2b18cf5426eed985512ccc6636ec69dbdd6, < 9f267393b036f1470fb12fb892d59e7ff8aeb58d; >= 3bf4bf54069f9b62a54988e5d085023c17a66c90, < 5db17805b6ba4c34dab303f49aea3562fc25af75; >= c0deb027c99c099aa6b831e326bfba802b25e774, < 99bc25748e394d17f9e8b10cc7f273b8e64c1c7e; >= 4f7e7236435ca0abe005c674ebd6892c6e83aeb3, < 43626dade36fa74d3329046f4ae2d7fdefe401c6
LinuxLinux>= 5.4.213, < 5.4.215; >= 5.10.143, < 5.10.145; >= 5.15.68, < 5.15.70; >= 5.19.9, < 5.19.11

References

Timeline

Published
May 3, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-48671: Medium severity, CVSS 5.5 | Vulnix