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CVE-2025-40204

sctp: Fix MAC comparison to be constant-time

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.4.301, 5.10.246, 5.15.195, 6.1.157, 6.6.113, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in b93fa8dc521d00d2d44bf034fb90e0d79b036617; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 0e8b8c326c2a6de4d837b1bb034ea704f4690d77; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 1cd60e0d0fb8f0e62ec4499138afce6342dc9d4c; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 9c05d44ec24126fc283835b68f82dba3ae985209; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in ed3044b9c810c5c24eb2830053fbfe5fd134c5d4; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 8019b3699289fce3f10b63f98601db97b8d105b0; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 0b32ff285ff6f6f1ac1d9495787ccce8837d6405; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in dd91c79e4f58fbe2898dac84858033700e0e99fb

  • Linux Linux

    2.6.12

  • KernelLinux

    From 2.6.12 · fixed in 5.4.301; From 5.5.0 · fixed in 5.10.246; From 5.11.0 · fixed in 5.15.195; From 5.16.0 · fixed in 6.1.157; From 6.2.0 · fixed in 6.6.113; From 6.7.0 · fixed in 6.12.54; From 6.13.0 · fixed in 6.17.4

References 8

git.kernel.org