MEDIUM 5.5 Microsoft

CVE-2025-38059

btrfs: avoid NULL pointer dereference if no valid csum tree

Microsoft Security Update 2025-Jun: btrfs: avoid NULL pointer dereference if no valid csum tree

Affected Products

azl3 kernel 6.6.92.2-2 on Azure Linux 3.0
cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38059
https://nvd.nist.gov/vuln/detail/CVE-2025-38059

Published: 2025-06-10 · Source: Microsoft · Feed updated: 2026-08-15

This medium severity vulnerability with a CVSS score of 5.5 was published on 2025-06-10 via Microsoft. Affected: azl3 kernel 6.6.92.2-2 on Azure Linux 3.0, cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0 and 1 more.

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