SUSE update for kernel-firmware
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-31315 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP2 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system kernel-firmware Operating systems & Components / Operating system package or component ucode-amd Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU96619
Risk: Low
CVSSv4.0: 5.7 [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]
CVE-ID: CVE-2023-31315
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper validation in a model specific register (MSR). A malicious application with ring0 access can modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
MitigationUpdate the affected package kernel-firmware to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server for SAP Applications 15: SP2
SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise Server 15: SP2
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2
SUSE Linux Enterprise High Performance Computing 15: SP2
kernel-firmware: before 20200107-150100.3.43.1
ucode-amd: before 20200107-150100.3.43.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15_sp2_ltss:15-SP2:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:*
- cpe:2.3:a:suse:kernel-firmware:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:ucode-amd:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2024/suse-su-20242944-1/
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.
