HIGH 8.6 Microsoft
CVE-2026-64597
smb: client: fix double-free in SMB2_close() replay
Microsoft Security Update 2026-Aug: smb: client: fix double-free in SMB2_close() replay
Affected Products
- azl3 kernel 6.6.143.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64597
- https://nvd.nist.gov/vuln/detail/CVE-2026-64597
This high severity vulnerability with a CVSS score of 8.6 was published on 2026-08-11 via Microsoft. Affected: azl3 kernel 6.6.143.1-1 on Azure Linux 3.0.
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