HIGH 7.8 Microsoft PoC
CVE-2026-31431
crypto: algif_aead - Revert to operating out-of-place
Microsoft Security Update 2026-Apr: crypto: algif_aead - Revert to operating out-of-place
Affected Products
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
- azl3 kernel-hwe 0:6.12-1 on Azure Linux 3.0
- cbl2 kernel 5.15.202.1-1
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31431
- https://nvd.nist.gov/vuln/detail/CVE-2026-31431
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-04-14 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 99.9% (top 0% of all CVEs by exploitation probability). Affected: azl3 kernel 6.6.130.1-3 on Azure Linux 3.0, azl3 kernel 6.6.134.1-2 on Azure Linux 3.0, cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0 and 2 more.
vulnfeed aggregates 14156 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.