SEPTEMBER 19, 2026
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Case File

CVE-2026-43383

CRITICAL · CVSS 9.4 EPSS 0.44%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-08 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.4. It affects Linux.

CVE
CVE-2026-43383
Severity
CRITICAL
CVSS
9.4
EPSS
0.44%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)