CVE-2026-43384

Published: May 8, 2026Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

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.

Affected (5)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 6.13 to 6.18.19
Linux Linux Kernel	From 6.19 to 6.19.9
Linux Linux Kernel	From 6.7 to 6.12.78
Linux Linux Kernel	Version 7.0 rc1
Linux Linux Kernel	Version 7.0 rc2

References (4)

https://git.kernel.org/stable/c/080b0e210088296dd50d6637c06c1db14246adfe

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/67edfec516d30d3e62925c397be4a1e5185802fc

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/8be6ed64966da48b6c4726918f106c18742a5125

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/a269cbdc442f8658bca35383e34b9d0b0ff95a1c

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

Timeline

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