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ID

VAR-202511-2375


CVE

CVE-2025-62626


TITLE

AMD CPU entropy handling vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-29745

DESCRIPTION

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

Trust: 1.44

sources: NVD: CVE-2025-62626 // CNVD: CNVD-2025-29745

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-29745

AFFECTED PRODUCTS

vendor:amdmodel:cpuscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-29745

CVSS

SEVERITY

CVSSV2

CVSSV3

psirt@amd.com: CVE-2025-62626
value: HIGH

Trust: 1.0

CNVD: CNVD-2025-29745
value: MEDIUM

Trust: 0.6

CNVD: CNVD-2025-29745
severity: MEDIUM
baseScore: 6.2
vectorString: AV:L/AC:L/AU:S/C:C/I:C/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: NONE
exploitabilityScore: 3.1
impactScore: 9.2
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

sources: CNVD: CNVD-2025-29745 // NVD: CVE-2025-62626

PROBLEMTYPE DATA

problemtype:CWE-333

Trust: 1.0

sources: NVD: CVE-2025-62626

PATCH

title:Patch for AMD CPU entropy handling vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/777091

Trust: 0.6

sources: CNVD: CNVD-2025-29745

EXTERNAL IDS

db:NVDid:CVE-2025-62626

Trust: 1.6

db:CNVDid:CNVD-2025-29745

Trust: 0.6

sources: CNVD: CNVD-2025-29745 // NVD: CVE-2025-62626

REFERENCES

url:https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7055.html

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-62626

Trust: 0.6

sources: CNVD: CNVD-2025-29745 // NVD: CVE-2025-62626

SOURCES

db:CNVDid:CNVD-2025-29745
db:NVDid:CVE-2025-62626

LAST UPDATE DATE

2025-12-19T22:50:29.181000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-29745date:2025-12-03T00:00:00
db:NVDid:CVE-2025-62626date:2025-11-25T22:16:42.557

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-29745date:2025-12-03T00:00:00
db:NVDid:CVE-2025-62626date:2025-11-21T19:16:02.633