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().
Fix
Patch, vendor advisory and mitigation references on NVD 6
- https://git.kernel.org/stable/c/2cdc56ed67615ba0921383a688f24415ebe065f3 Patch
- https://git.kernel.org/stable/c/307afccb751f542246bd5dc68a2c1ffe1a78418c Patch
- https://git.kernel.org/stable/c/93c0a22fec914ec4b697e464895a0f594e29fb28 Patch
- https://git.kernel.org/stable/c/c5794709bc9105935dbedef8b9cf9c06f2b559fa Patch
- https://git.kernel.org/stable/c/cd52a0e309659537048a864211abc3ea4c5caa63 Patch
- https://git.kernel.org/stable/c/f4588b85efd6007d46b80aa1b9fb746628ffb3dc Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.4 · linuxNVD modified 2026-10-15 02:18
Affected (CPE criteria) 9
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*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:*:*:*:*:*:*
References 8
- https://git.kernel.org/stable/c/2cdc56ed67615ba0921383a688f24415ebe065f3 Patch
- https://git.kernel.org/stable/c/307afccb751f542246bd5dc68a2c1ffe1a78418c Patch
- https://git.kernel.org/stable/c/8a665d733940592e671ec6afadcd0be80a091a80
- https://git.kernel.org/stable/c/93c0a22fec914ec4b697e464895a0f594e29fb28 Patch
- https://git.kernel.org/stable/c/c5794709bc9105935dbedef8b9cf9c06f2b559fa Patch
- https://git.kernel.org/stable/c/cd52a0e309659537048a864211abc3ea4c5caa63 Patch
- https://git.kernel.org/stable/c/f4588b85efd6007d46b80aa1b9fb746628ffb3dc Patch
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html