MEDIUM 5.0 Microsoft
CVE-2025-38503
btrfs: fix assertion when building free space tree
Microsoft Security Update 2025-Aug: btrfs: fix assertion when building free space tree
Affected Products
- azl3 kernel 6.6.96.2-1 on Azure Linux 3.0
- azl3 kernel 6.6.96.2-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38503
- https://nvd.nist.gov/vuln/detail/CVE-2025-38503
This medium severity vulnerability with a CVSS score of 5.0 was published on 2025-08-12 via Microsoft. Affected: azl3 kernel 6.6.96.2-1 on Azure Linux 3.0, azl3 kernel 6.6.96.2-2 on Azure Linux 3.0.
vulnfeed aggregates 8893 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.