SB2022092688 - Privilege escalation in Linux kernel io_uring
Published: September 26, 2022 Updated: August 10, 2024
Security Bulletin ID
SB2022092688
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) Off-by-one (CVE-ID: CVE-2022-3103)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an off-by-one error within the io_uring module. A local user can trigger an off-by-one error and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.