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SEV Firmware stems from a failure to properly initialize memory, creating a risk where a privileged attacker can access outdated data belonging to other virtual guests.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
.