CVE-2026-23364

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().

CVSS 3.1

7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-25)

Published

2026-03-25

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/2cdc56ed67615ba0921383a688f24415ebe065f3
• https://git.kernel.org/stable/c/307afccb751f542246bd5dc68a2c1ffe1a78418c
• https://git.kernel.org/stable/c/8a665d733940592e671ec6afadcd0be80a091a80
• https://git.kernel.org/stable/c/93c0a22fec914ec4b697e464895a0f594e29fb28
• https://git.kernel.org/stable/c/c5794709bc9105935dbedef8b9cf9c06f2b559fa

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