CVE-2025-40204
sctp: Fix MAC comparison to be constant-time
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: sctp: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Nov 12, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b93fa8dc521d00d2d44bf034fb90e0d79b036617 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0e8b8c326c2a6de4d837b1bb034ea704f4690d77 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1cd60e0d0fb8f0e62ec4499138afce6342dc9d4c 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9c05d44ec24126fc283835b68f82dba3ae985209 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ed3044b9c810c5c24eb2830053fbfe5fd134c5d4 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8019b3699289fce3f10b63f98601db97b8d105b0 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0b32ff285ff6f6f1ac1d9495787ccce8837d6405 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < dd91c79e4f58fbe2898dac84858033700e0e99fb
Linux / Linux
2.6.12
References
git.kernel.org: https://git.kernel.org/stable/c/b93fa8dc521d00d2d44bf034fb90e0d79b036617 git.kernel.org: https://git.kernel.org/stable/c/0e8b8c326c2a6de4d837b1bb034ea704f4690d77 git.kernel.org: https://git.kernel.org/stable/c/1cd60e0d0fb8f0e62ec4499138afce6342dc9d4c git.kernel.org: https://git.kernel.org/stable/c/9c05d44ec24126fc283835b68f82dba3ae985209 git.kernel.org: https://git.kernel.org/stable/c/ed3044b9c810c5c24eb2830053fbfe5fd134c5d4 git.kernel.org: https://git.kernel.org/stable/c/8019b3699289fce3f10b63f98601db97b8d105b0 git.kernel.org: https://git.kernel.org/stable/c/0b32ff285ff6f6f1ac1d9495787ccce8837d6405 git.kernel.org: https://git.kernel.org/stable/c/dd91c79e4f58fbe2898dac84858033700e0e99fb