CVE-2022-4269

MediumCVSS 5.5/10Last modified Oct 14, 2026

Description

A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-833

Affected software

Vendor	Product	Versions
n/a	Linux kernel (TC subsystem)	Since upstream commit 53592b3 (v4.10-rc1)
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	< V1.1

References

Timeline

Published: Dec 5, 2022
Last modified: Oct 14, 2026
NVD status: Modified

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