SB2024022863 - SUSE update for the Linux Kernel (Live Patch 42 for SLE 15 SP2)
Published: February 28, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2023-39198)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the QXL driver in the Linux kernel. A local privileged user can trigger a use-after-free error and escalate privileges on the system.
2) Race condition (CVE-ID: CVE-2023-51780)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in the ATM (Asynchronous Transfer Mode) subsystem in Linux kernel. A local user can exploit the race and escalate privileges on the system.
Remediation
Install update from vendor's website.