MEDIUM 6.4 Microsoft
CVE-2025-39927
ceph: fix race condition validating r_parent before applying state
Microsoft Security Update 2026-Aug: ceph: fix race condition validating r_parent before applying state
Affected Products
- azl3 kernel 6.6.96.2-2 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
- cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-39927
- https://nvd.nist.gov/vuln/detail/CVE-2025-39927
This medium severity vulnerability with a CVSS score of 6.4 was published on 2026-08-06 via Microsoft. Affected: azl3 kernel 6.6.96.2-2 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 and 5 more.
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