High severity7.4NVD Advisory· Published Mar 25, 2026· Updated Jun 19, 2026
CVE-2026-23364
CVE-2026-23364
Description
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().
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11(expand)+ 9 more
- (no CPE)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15.1,<6.1.167
- cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
7- git.kernel.org/stable/c/2cdc56ed67615ba0921383a688f24415ebe065f3nvdPatch
- git.kernel.org/stable/c/307afccb751f542246bd5dc68a2c1ffe1a78418cnvdPatch
- git.kernel.org/stable/c/93c0a22fec914ec4b697e464895a0f594e29fb28nvdPatch
- git.kernel.org/stable/c/c5794709bc9105935dbedef8b9cf9c06f2b559fanvdPatch
- git.kernel.org/stable/c/cd52a0e309659537048a864211abc3ea4c5caa63nvdPatch
- git.kernel.org/stable/c/f4588b85efd6007d46b80aa1b9fb746628ffb3dcnvdPatch
- git.kernel.org/stable/c/8a665d733940592e671ec6afadcd0be80a091a80nvd
News mentions
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