MEDIUM 5.3 Microsoft

CVE-2026-89686

nfsd: fix BUG_ON in nfsd4_alloc_layout_stateid on racing delegation revoke

Microsoft Security Update 2026-Sep: nfsd: fix BUG_ON in nfsd4_alloc_layout_stateid on racing delegation revoke

Affected Products

azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
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-2026-89686
https://nvd.nist.gov/vuln/detail/CVE-2026-89686

Published: 2026-09-08 · Source: Microsoft · Feed updated: 2026-10-27

This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-09-08 via Microsoft. Affected: azl3 kernel 6.6.157.1-1 on Azure Linux 3.0, azl3 kernel 6.6.150.1-1 on Azure Linux 3.0, azl3 kernel 6.6.152.1-1 on Azure Linux 3.0.

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