MEDIUM 5.5 Microsoft
CVE-2026-31495
netfilter: ctnetlink: use netlink policy range checks
Microsoft Security Update 2026-Apr: netfilter: ctnetlink: use netlink policy range checks
Affected Products
- azl3 kernel 6.6.130.1-3 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-2026-31495
- https://nvd.nist.gov/vuln/detail/CVE-2026-31495
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-04-14 via Microsoft. Affected: azl3 kernel 6.6.130.1-3 on Azure Linux 3.0, cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0.
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