CVE-2026-43383

CRITICAL 9.4CVE-2026-43383 · Published 08/05/2026 · updated 19/10/2026

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

In the Linux kernel, the following vulnerability has been resolved: net/tcp-md5: 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.

References

git.kernel.org/stable/c/02669e2a4d207068edce7e8b5fafd85822018ce6 · Patch
git.kernel.org/stable/c/345a9530756528d7ca407663d659c3c40e75c3dd · Patch
git.kernel.org/stable/c/46d0d6f50dab706637f4c18a470aac20a21900d3 · Patch
git.kernel.org/stable/c/5d305a95130a8d08b9545e47f1e18d29d59866cb · Patch
git.kernel.org/stable/c/821c8751fdeecdeecabeb11704dd33439c9e4bbc · Patch
git.kernel.org/stable/c/ae3831b44f477de048287493e184fc3ff913b624 · Patch
git.kernel.org/stable/c/b502e97e29d791ff7a8051f29a414535739be218 · Patch
git.kernel.org/stable/c/ff44ec94d4fc8348600a69de0a8fa1102c23bce8

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