SB2022011820 - Privilege escalation in Linux kernel
Published: January 18, 2022 Updated: August 21, 2024
Security Bulletin ID
SB2022011820
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) Integer overflow (CVE-ID: CVE-2022-0185)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow in the legacy_parse_param() function in fs/fs_context.c in Linux kernel. A local user can tun a specially crafted program to trigger integer overflow and execute arbitrary code with root privileges.
Remediation
Install update from vendor's website.