SB2021062229 - Privilege escalation in Linux KVM API
Published: June 22, 2021
Security Bulletin ID
SB2021062229
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-3501)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the KVM API in Linux kernel. A local user can run a specially crafted program to trigger an out-of-bounds write and escalate privileges on the system.
Remediation
Install update from vendor's website.