SB2023120455 - Race condition in Linux kernel JFS
Published: December 4, 2023
Security Bulletin ID
SB2023120455
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local 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-2023-3397)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition between the lmLogClose() and txEnd() function in JFS. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
Remediation
Install update from vendor's website.