Vulnerability-Lookup

VAR-202511-2375

Vulnerability from variot - Updated: 2025-12-19 22:50

Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values returned by the RDSEED instruction, potentially resulting in the consumption of insufficiently random values. AMD CPUs are a series of CPUs manufactured by AMD.

AMD CPUs have a vulnerability due to improper entropy handling; detailed vulnerability information is not currently available

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CVE-2025-62626 (GCVE-0-2025-62626)

Vulnerability from cvelistv5 – Published: 2025-11-21 18:52 – Updated: 2026-02-26 16:07

Summary

Severity

7.2 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-22 04:55 UTC

CWE

CWE-333 - Improper Handling of Insufficient Entropy in TRNG

Assigner

AMD mitre root

References

1 reference

URL	Tags
https://www.amd.com/en/resources/product-security…

Impacted products

2 products

Vendor	Product	Version
AMD	AMD Ryzen™ 9000HX Series Processors	Unaffected: FireRangeFL1PI 1.0.0.0e
AMD	AMD EPYC™ 9005 Series Processors	Unaffected: Turin C1 : 0x0B00215A Turin Dense / B0: 0x0B101054

Date Public

2025-11-21 18:56

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.