CVE-2022-0646

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 18-02-2022 07:15

Last modified: - 11-05-2022 03:26

Total changes: - 4

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Local

Attack vector

High

Availability

High

Confidentiality

High

Integrity

Low

Privileges required

Unchanged

Scope

None

User interaction

7.8

Base score

1.8

5.9

Exploitability score

Impact score

Verification logic

vendor=linux AND product=linux_kernel AND version=5.17 AND update=rc5

vendor=linux AND product=linux_kernel AND version=5.17 AND update=rc4

vendor=linux AND product=linux_kernel AND version=5.17 AND update=rc1

vendor=linux AND product=linux_kernel AND version=5.17 AND update=rc2

vendor=linux AND product=linux_kernel AND version=5.17 AND update=rc3

AND

vendor=netapp AND product=baseboard_management_controller_h410c_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h410c AND version=-

AND

vendor=netapp AND product=baseboard_management_controller_h300s_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h300s AND version=-

AND

vendor=netapp AND product=baseboard_management_controller_h500s_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h500s AND version=-

AND

vendor=netapp AND product=baseboard_management_controller_h700s_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h700s AND version=-

AND

vendor=netapp AND product=baseboard_management_controller_h300e_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h300e AND version=-

AND

vendor=netapp AND product=baseboard_management_controller_h500e_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h500e AND version=-

AND

vendor=netapp AND product=baseboard_management_controller_h700e_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h700e AND version=-

AND

vendor=netapp AND product=baseboard_management_controller_h410s_firmware AND version=-

vendor=netapp AND product=baseboard_management_controller_h410s AND version=-

Reference

Keywords

CVE-2022-0646

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2022-0646

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures