VulnerabilityDeferred
CVE-2024-21977
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.
LOW 3.2EPSS 0.15%
Does this matter?
Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 3.2 LOWCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
- EPSS
- 0.15% probability · 4th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-459
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.