HIGH 7.8 Microsoft
CVE-2026-23411
apparmor: fix race between freeing data and fs accessing it
Microsoft Security Update 2026-Apr: apparmor: fix race between freeing data and fs accessing it
Affected Products
- azl3 kernel 6.6.0.0-1 on Azure Linux 3.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23411
- https://nvd.nist.gov/vuln/detail/CVE-2026-23411
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-04-14 via Microsoft. Affected: azl3 kernel 6.6.0.0-1 on Azure Linux 3.0, cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0.
vulnfeed aggregates 9214 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.