HIGH 7.8 Microsoft
CVE-2025-21999
proc: fix UAF in proc_get_inode()
Microsoft Security Update 2025-Apr: proc: fix UAF in proc_get_inode()
Affected Products
- cbl2 kernel 5.15.182.1-1 on CBL-Mariner 2.0
- cbl2 kernel 5.15.180.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.85.1-2 on Azure Linux 3.0
- cbl2 kernel 5.15.182.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.82.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21999
- https://nvd.nist.gov/vuln/detail/CVE-2025-21999
This high severity vulnerability with a CVSS score of 7.8 was published on 2025-04-08 via Microsoft. Affected: cbl2 kernel 5.15.182.1-1 on CBL-Mariner 2.0, cbl2 kernel 5.15.180.1-1 on CBL Mariner 2.0, azl3 kernel 6.6.85.1-2 on Azure Linux 3.0 and 2 more.
vulnfeed aggregates 11255 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.