PT-2025-8563

CVE-2022-49630

Published

2022-01-01

Updated

2026-08-23

Description by

CVSS 3.1

4.7

Medium

MetricsAV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A data-race issue exists around sysctl tcp ecn fallback in the Linux kernel. The value of sysctl tcp ecn fallback can be changed concurrently while it is being read, which requires the use of READ ONCE() to ensure a consistent view of its value.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploitability

Exploit

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