SB2022092002 - Privilege escalation in Linux kernel LightNVM
Published: September 20, 2022
Security Bulletin ID
SB2022092002
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) Heap-based buffer overflow (CVE-ID: CVE-2022-2991)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the LightNVM subsystem in Linux kernel. A local user can execute arbitrary code on the system with kernel privileges.
Remediation
Install update from vendor's website.