SB2022083142 - Use after free in Linux kernel
Published: August 31, 2022
Security Bulletin ID
SB2022083142
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) Use after free (CVE-ID: CVE-2022-1976)
The vulnerability allows a local user to execute arbitrary code.
A flaw was found in the Linux kernel's implementation of IO-URING. This flaw allows an attacker with local executable permission to create a string of requests that can cause a use-after-free flaw within the kernel. This issue leads to memory corruption and possible privilege escalation.
Remediation
Install update from vendor's website.