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  1. CVEs
  2. CVE-2026-43383
  1. CVEs

CVE-2026-43383

high
  • Information
  • CPEs
  • Plugins

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

https://git.kernel.org/stable/c/b502e97e29d791ff7a8051f29a414535739be218

https://git.kernel.org/stable/c/ae3831b44f477de048287493e184fc3ff913b624

https://git.kernel.org/stable/c/821c8751fdeecdeecabeb11704dd33439c9e4bbc

https://git.kernel.org/stable/c/5d305a95130a8d08b9545e47f1e18d29d59866cb

https://git.kernel.org/stable/c/46d0d6f50dab706637f4c18a470aac20a21900d3

https://git.kernel.org/stable/c/345a9530756528d7ca407663d659c3c40e75c3dd

https://git.kernel.org/stable/c/02669e2a4d207068edce7e8b5fafd85822018ce6

Details

Source: Mitre, NVD

Published: 2026-05-08

Updated: 2026-05-08

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: High

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