CRITICAL 9.8 Microsoft
CVE-2025-21673
smb: client: fix double free of TCP_Server_Info::hostname
Microsoft Security Update 2025-Jan: smb: client: fix double free of TCP_Server_Info::hostname
Affected Products
- azl3 kernel 6.6.64.2-9 on Azure Linux 3.0
- azl3 kernel 6.6.76.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21673
- https://nvd.nist.gov/vuln/detail/CVE-2025-21673
This critical severity vulnerability with a CVSS score of 9.8 was published on 2025-01-14 via Microsoft. Affected: azl3 kernel 6.6.64.2-9 on Azure Linux 3.0, azl3 kernel 6.6.76.1-1 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2025-01-14 · 618 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21673NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2025-21673Related Vulnerabilities
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