ksmbd security

  1. CVE-2026-31704 ksmbd SMB ACL Overflow: Patch Linux Kernel Fixes Fast

    CVE-2026-31704 is a Linux kernel ksmbd vulnerability disclosed in early May 2026 and fixed in stable kernel patches, where unchecked 16-bit DACL size accumulation in SMB ACL handling can wrap past 65,535 bytes and corrupt the access-control buffer on affected systems. It is not a classic Windows...
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    • cve-2026-31704 ksmbd security linux kernel patching smb acl overflow
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  2. CVE-2026-23364 in ksmbd: Why Constant-Time MAC Checks Matter for SMB Security

    CVE-2026-23364 in ksmbd: why a constant-time MAC comparison matters more than it sounds A new CVE-2026-23364 entry tied to ksmbd, the Linux kernel’s SMB3 server implementation, highlights a security property that can look minor at first glance but matters deeply in authentication code: comparing...
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    • constant-time mac cve-2026-23364 ksmbd security smb signing
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    • Forum: Security Alerts