SB2023021010 - SUSE update for the Linux Kernel (Live Patch 26 for SLE 15 SP3)
Published: February 10, 2023
Security Bulletin ID
SB2023021010
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-2022-2602)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error caused by an io_uring request, which is being processed on a registered file. The Unix GC runs and frees the io_uring file descriptor and all the registered file descriptors in a specific order that may allow a local user to win a race and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.