CVE-2022-4269 - CVE House
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Status published Unknown CVE-2022-4269

A flaw was found in the Linux kernel Traffic Control...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

Affected Software

Linux kernel (TC subsystem)
Vulnerable Versions:
Since upstream commit 53592b3 (v4.10-rc1)

Timeline

Official Publish: December 5th, 2022
Last Modified: April 14th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-833

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.