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CVE-2026-43383

nvd nist
Published: May 8, 2026Modified: Jun 19, 2026

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9.4
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Exploitability: 3.9 / Impact: 5.5
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

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.

Affected (8)

Products: Linux: Linux Kernel
1 product
Linux Kernel
Configuration A
8 vulnerable
Vulnerable SoftwareAffected Versions
Linux
From 2.6.20 to 5.10.253
From 5.11 to 6.1.167
From 6.13 to 6.18.19
From 6.19 to 6.19.9
From 6.2 to 6.6.130
From 6.7 to 6.12.78
Version 7.0 rc1
Version 7.0 rc2

References (8)

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

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