MEDIUM 5.5 Microsoft
CVE-2025-21868
net: allow small head cache usage with large MAX_SKB_FRAGS values
Microsoft Security Update 2025-Mar: net: allow small head cache usage with large MAX_SKB_FRAGS values
Affected Products
- azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.96.2-1 on Azure Linux 3.0
- azl3 kernel 6.6.96.2-2 on Azure Linux 3.0
- azl3 kernel 6.6.104.2-4 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21868
- https://nvd.nist.gov/vuln/detail/CVE-2025-21868
This medium severity vulnerability with a CVSS score of 5.5 was published on 2025-03-11 via Microsoft. Affected: azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, azl3 kernel 6.6.96.2-1 on Azure Linux 3.0, azl3 kernel 6.6.96.2-2 on Azure Linux 3.0 and 1 more.
vulnfeed aggregates 8893 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.