CVE-2022-48671

MEDIUM

Linux Kernel < 5.4.215 - Improper Locking

Title source: rule
STIX 2.1

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.

References (6)

Core 6

Scores

CVSS v3 5.5
EPSS 0.0018
EPSS Percentile 7.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-667
Status published
Products (15)
linux/Kernel 5.10.143 - 5.10.145linux
linux/Kernel 5.15.68 - 5.15.70linux
linux/Kernel 5.19.9 - 5.19.11linux
linux/Kernel 5.4.213 - 5.4.215linux
Linux/Linux 3bf4bf54069f9b62a54988e5d085023c17a66c90 - 5db17805b6ba4c34dab303f49aea3562fc25af75
Linux/Linux 4f7e7236435ca0abe005c674ebd6892c6e83aeb3 - 43626dade36fa74d3329046f4ae2d7fdefe401c6
Linux/Linux 5.10.143 - 5.10.145
Linux/Linux 5.15.68 - 5.15.70
Linux/Linux 5.19.9 - 5.19.11
Linux/Linux 5.4.213 - 5.4.215
... and 5 more
Published May 03, 2024
Tracked Since Feb 18, 2026