MEDIUM 5.5 Microsoft
CVE-2025-21634
cgroup/cpuset: remove kernfs active break
Microsoft Security Update 2025-Jan: cgroup/cpuset: remove kernfs active break
Affected Products
- cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.96.2-1 on Azure Linux 3.0
- azl3 kernel 6.6.96.2-2 on Azure Linux 3.0
- azl3 kernel 6.6.104.2-4 on Azure Linux 3.0
- azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.119.3-1 on Azure Linux 3.0
- azl3 kernel 6.6.119.3-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21634
- https://nvd.nist.gov/vuln/detail/CVE-2025-21634
This medium severity vulnerability with a CVSS score of 5.5 was published on 2025-01-14 via Microsoft. Affected: cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, azl3 kernel 6.6.96.2-1 on Azure Linux 3.0, azl3 kernel 6.6.96.2-2 on Azure Linux 3.0 and 5 more.
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