SB2020050519 - Race condition in Linux kernel
Published: May 5, 2020 Updated: May 21, 2020
Security Bulletin ID
SB2020050519
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2020-12652)
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 update from vendor's website.