Replay Vulnerability in Linux Kernel Affecting CIFS

CVE-2026-31693

What is CVE-2026-31693?

A vulnerability has been identified in the Linux kernel related to the Common Internet File System (CIFS). Certain code paths lacked necessary reinitializations of local variables upon replaying requests, which could lead to unintended behaviors. The fixes implemented ensure that all relevant local variables are properly initialized after replay points in the code, enhancing the overall security posture of systems utilizing CIFS.

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