CVE-2026-43383
9.4 CRITICALIn the Linux kernel, the following vulnerability has been resolved: net/tcp-md5: Fix MAC comparison to be constant-time To prevent timi...
Published: 2026-05-08 · Last updated: 2026-05-26
Severity and scoring
- CVSS
- 9.4 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Affected products
| Vendor | Product |
|---|---|
| linux | linux_kernel |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-43383
- [Patch]https://git.kernel.org/stable/c/02669e2a4d207068edce7e8b5fafd85822018ce6
- [Patch]https://git.kernel.org/stable/c/345a9530756528d7ca407663d659c3c40e75c3dd
- [Patch]https://git.kernel.org/stable/c/46d0d6f50dab706637f4c18a470aac20a21900d3
- [Patch]https://git.kernel.org/stable/c/5d305a95130a8d08b9545e47f1e18d29d59866cb
- [Patch]https://git.kernel.org/stable/c/821c8751fdeecdeecabeb11704dd33439c9e4bbc
- [Patch]https://git.kernel.org/stable/c/ae3831b44f477de048287493e184fc3ff913b624
- [Patch]https://git.kernel.org/stable/c/b502e97e29d791ff7a8051f29a414535739be218
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