CVE-2022-0646

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers cancel_work_sync after the unregister_netdev during removing device. A local user could use this flaw to crash the system or escalate their privileges on the system. It is actual from Linux Kernel 5.17-rc1 (when mctp-serial.c introduced) till 5.17-rc5.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-459 CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Feb 18, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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