CVE-2024-56161

HIGH EPSS 40.2%
Published Feb 3, 20251y ago · Modified Jun 17, 20261w ago
7.2 CVSS 3.1
High
Find Similar
Published Feb 3, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

CVSS Details

Base Score
7.2
Exploitability
0.8
Impact
5.8
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack Vector Local
Attack Complexity High
Privileges Required High
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
40.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-347

References 5

  • openwall.com http://www.openwall.com/lists/oss-security/2025/02/04/1
  • openwall.com http://www.openwall.com/lists/oss-security/2025/03/06/2
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00024.html
  • amd.com https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html
  • amd.com https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.