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CVE-2022-48671 Detail


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.


CVSS 4.0 Severity and Metrics:

NVD assessment not yet provided.

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

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Hyperlink Resource
https://git.kernel.org/stable/c/07191f984842d50020789ff14c75da436a7f46a9 Patch 
https://git.kernel.org/stable/c/321488cfac7d0eb6d97de467015ff754f85813ff Patch 
https://git.kernel.org/stable/c/43626dade36fa74d3329046f4ae2d7fdefe401c6 Patch 
https://git.kernel.org/stable/c/5db17805b6ba4c34dab303f49aea3562fc25af75 Patch 
https://git.kernel.org/stable/c/99bc25748e394d17f9e8b10cc7f273b8e64c1c7e Patch 
https://git.kernel.org/stable/c/9f267393b036f1470fb12fb892d59e7ff8aeb58d Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-667 Improper Locking cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
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