VULNERABILITY INTELLIGENCE

CVE-2022-0646

CVSS score7.8 HIGH
EPSS probability0.36%
CISA KEVNot currently listed
Published2022-02-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-459
  • nvd@nist.gov: CWE-416

Primary references