CVE-2022-48671
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 3, 2024
First seenMay 3, 2024
Weakness typeCWE-667CWE-667
How to fix
Update
- linux linux_kernel5.4.215, 5.10.145, 5.15.70, 5.19.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.4.213 ≤ v < 5.4.215, 5.10.143 ≤ v < 5.10.145, 5.15.68 < v < 5.15.70, 5.19.9 ≤ v < 5.19.11 | 5.4.215, 5.10.145, 5.15.70, 5.19.11 |
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