IBM Technical Support Appliance update for AMD SEV-SNP Firmware



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-31346
CWE-ID CWE-665
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Technical Support Appliance
Other software / Other software solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Initialization

EUVDB-ID: #VU94741

Risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-31346

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper initialization in SEV Firmware. A local user can run a specially crafted application to access stale data from other guests.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Technical Support Appliance: before 3.0.1

CPE2.3 External links

http://www.ibm.com/support/pages/node/7176899


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.



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