HIGH 7.5 Microsoft
CVE-2026-97557
smb: client: avoid leaking refcount in cifs_queue_oplock_break()
Microsoft Security Update 2026-Sep: smb: client: avoid leaking refcount in cifs_queue_oplock_break()
Affected Products
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97557
- https://nvd.nist.gov/vuln/detail/CVE-2026-97557
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-09-08 via Microsoft. Affected: azl3 kernel 6.6.157.1-1 on Azure Linux 3.0.
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