Detections
Analytics

CVE-2024-21977

low

Description

Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity for SEV-SNP guests.

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3014.html

Details

Source: Mitre, NVD

Published: 2025-09-05

Updated: 2025-09-05

Risk Information

CVSS v2

Base Score: 1.4

Vector: CVSS2#AV:L/AC:L/Au:M/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.2

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N

Severity: Low

EPSS

EPSS: 0.0001