#VU28160 Race condition in Linux kernel - CVE-2020-12652

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Main Vulnerability Database Vulnerabilities #VU28160

#VU28160 Race condition in Linux kernel - CVE-2020-12652

Published: May 21, 2020


Vulnerability identifier: #VU28160
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-12652
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the "__mptctl_ioctl" function in "drivers/message/fusion/mptctl.c" file. A local administrator can hold an incorrect lock during the ioctl operation, trigger the race and gain unauthorized access to sensitive information and escalate privileges on the system.


Remediation

Install updates from vendor's website.

External links