CRITICAL 9.8 Microsoft
CVE-2026-89783
xfrm6: fix out-of-bounds write in xfrm6_input_addr() when secpath is full
Microsoft Security Update 2026-Sep: xfrm6: fix out-of-bounds write in xfrm6_input_addr() when secpath is full
Affected Products
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.152.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-89783
- https://nvd.nist.gov/vuln/detail/CVE-2026-89783
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-09-08 via Microsoft. Affected: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0, azl3 kernel 6.6.152.1-1 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2026-09-08 · 52 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-89783NVD / MITRE
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