Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU85929
Risk: Low
CVSSv3.1: 2.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-46839
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a malicious guest to gain access to sensitive information.
The vulnerability exists due to an error in phantom functions implementation for PCI devices. Under certain circumstances a malicious guest assigned a PCI device with phantom functions may be able to access memory from a previous owner of the device.
Update the affected package xen to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server for SAP Applications 15: SP1
SUSE Linux Enterprise Server 15 SP1 LTSS: 15-SP1
SUSE Linux Enterprise Server 15: SP1
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS: 15-SP1
SUSE Linux Enterprise High Performance Computing 15: SP1
SUSE CaaS Platform: 4.0
xen: before 4.12.4_44-150100.3.101.1
xen-debugsource: before 4.12.4_44-150100.3.101.1
xen-libs: before 4.12.4_44-150100.3.101.1
xen-tools: before 4.12.4_44-150100.3.101.1
xen-devel: before 4.12.4_44-150100.3.101.1
xen-tools-domU-debuginfo: before 4.12.4_44-150100.3.101.1
xen-tools-domU: before 4.12.4_44-150100.3.101.1
xen-libs-debuginfo: before 4.12.4_44-150100.3.101.1
xen-tools-debuginfo: before 4.12.4_44-150100.3.101.1
External linkshttp://www.suse.com/support/update/announcement/2024/suse-su-20240269-1/
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.