CVE-2026-43384

CRITICAL

9.8

Description

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

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/8/2026

Last Modified5/12/2026

Sourcenvd

Honeypot Sightings0

References

https://git.kernel.org/stable/c/080b0e210088296dd50d6637c06c1db14246adfe(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/67edfec516d30d3e62925c397be4a1e5185802fc(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/8be6ed64966da48b6c4726918f106c18742a5125(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/a269cbdc442f8658bca35383e34b9d0b0ff95a1c(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

IOC Correlations

No correlations recorded

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