Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU71991
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-0494
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within DeepCopyPointerClasses. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package xorg-x11-server to the latest version.
Vulnerable software versionsSUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
SUSE Linux Enterprise Module for Development Tools: 15-SP4
SUSE Linux Enterprise Module for Basesystem: 15-SP4
SUSE Linux Enterprise Desktop: 15-SP4
SUSE Linux Enterprise Server: 15-SP4
openSUSE Leap: 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP4
xorg-x11-server-source: before 1.20.3-150400.38.16.1
xorg-x11-server-sdk: before 1.20.3-150400.38.16.1
xorg-x11-server-extra-debuginfo: before 1.20.3-150400.38.16.1
xorg-x11-server-extra: before 1.20.3-150400.38.16.1
xorg-x11-server-debugsource: before 1.20.3-150400.38.16.1
xorg-x11-server-debuginfo: before 1.20.3-150400.38.16.1
xorg-x11-server: before 1.20.3-150400.38.16.1
External linkshttp://www.suse.com/support/update/announcement/2023/suse-su-20230288-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.