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GHSA-HW87-HG67-XW42
Vulnerability from github – Published: 2025-09-05 15:31 – Updated: 2025-09-05 15:31
VLAI?
Details
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.
Severity ?
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"id": "GHSA-hw87-hg67-xw42",
"modified": "2025-09-05T15:31:07Z",
"published": "2025-09-05T15:31:07Z",
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CVE-2024-21977 (GCVE-0-2024-21977)
Vulnerability from cvelistv5 – Published: 2025-09-05 12:58 – Updated: 2025-09-05 13:35
VLAI?
EPSS
Summary
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.
Severity ?
CWE
- CWE-459 - Incomplete Cleanup
Assigner
References
Impacted products
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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