SB2020033105 - Privilege escalation in bpf in Linux kernel
Published: March 31, 2020 Updated: March 24, 2023
Security Bulletin ID
SB2020033105
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-2020-8835)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in bpf verifier for 32 bit systems in Linux kernel. A local user can rigger a buffer overflow and gain access to sensitive information or execute arbitrary code on the system with elevated privileges.
Remediation
Install update from vendor's website.