Privileged Attacker May Access Stale Data from Other Guests via Failure to Initialize Memory
CVE-2023-31346
6MEDIUM
Key Information:
- Vendor
- AMD
- Vendor
- CVE Published:
- 13 February 2024
Summary
A vulnerability in AMD's SEV Firmware stems from a failure to properly initialize memory, creating a risk where a privileged attacker can access outdated data belonging to other virtual guests. This issue presents significant security implications for environments utilizing virtualization, as it may compromise the confidentiality of sensitive information processed by other users. Users of affected AMD SEV Firmware must prioritize remediation efforts to safeguard their virtualized workloads.
Affected Version(s)
3rd Gen AMD EPYC™ Processors x86 various
4th Gen AMD EPYC™ Processors x86 various
References
CVSS V3.1
Score:
6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed
Timeline
Vulnerability published
Vulnerability Reserved
Collectors
NVD DatabaseMitre Database