CVE-2026-23364 in Linux Kernelinfo

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Compare MACs in constant time To prevent timing attacks, MAC comparisons need to be constant-time. Replace the memcmp() with the correct function, crypto_memneq().

Responsible

Linux

Reservation

01/13/2026

Disclosure

03/25/2026

Entries

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerability	CWE	Exp	Cou	CVE
353091	Linux Kernel ksmbd memcmp timing discrepancy	208	Not defined	Official fix	CVE-2026-23364

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