SB2022070728 - Privilege escalation in Linux kernel PEEKUSER and POKEUSER
Published: July 7, 2022
Security Bulletin ID
SB2022070728
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) Buffer overflow (CVE-ID: CVE-2022-32981)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in ptrace PEEKUSER and POKEUSER when accessing floating point registers on powerpc 32-bit platforms. A local user can trigger buffer overflow and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.