Details of VAR-202511-2429

ID

VAR-202511-2429

CVE

CVE-2025-29934

TITLE

AMD CPUs have an unknown vulnerability.

Trust: 0.6

sources: CNVD: CNVD-2025-29746

DESCRIPTION

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity. AMD CPUs are a series of CPUs from AMD Inc

Trust: 1.44

sources: NVD: CVE-2025-29934 // CNVD: CNVD-2025-29746

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-29746

AFFECTED PRODUCTS

vendor:

amd

model:

cpu

scope:

version:

Trust: 0.6

sources: CNVD: CNVD-2025-29746

CVSS

SEVERITY

CVSSV2

CVSSV3

psirt@amd.com:	CVE-2025-29934
value:	MEDIUM
Trust: 1.0
CNVD:	CNVD-2025-29746
value:	LOW
Trust: 0.6

CNVD:	CNVD-2025-29746
severity:	LOW
baseScore:	3.7
vectorString:	AV:L/AC:H/AU:M/C:N/I:C/A:N
accessVector:	LOCAL
accessComplexity:	HIGH
authentication:	MULTIPLE
confidentialityImpact:	NONE
integrityImpact:	COMPLETE
availabilityImpact:	NONE
exploitabilityScore:	1.2
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

psirt@amd.com:	CVE-2025-29934
baseSeverity:	MEDIUM
baseScore:	5.3
vectorString:	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
attackVector:	LOCAL
attackComplexity:	HIGH
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	0.8
impactScore:	4.0
version:	3.1
Trust: 1.0

sources: CNVD: CNVD-2025-29746 // NVD: CVE-2025-29934

PROBLEMTYPE DATA

problemtype:

CWE-459

Trust: 1.0

sources: NVD: CVE-2025-29934

PATCH

title:

Patch for AMD CPUs have an unknown vulnerability.

url:

https://www.cnvd.org.cn/patchInfo/show/777096

Trust: 0.6

sources: CNVD: CNVD-2025-29746

EXTERNAL IDS

db:	NVD	id:	CVE-2025-29934	Trust: 1.6
db:	CNVD	id:	CNVD-2025-29746	Trust: 0.6

sources: CNVD: CNVD-2025-29746 // NVD: CVE-2025-29934

REFERENCES

url:	https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3029.html	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2025-29934	Trust: 0.6

sources: CNVD: CNVD-2025-29746 // NVD: CVE-2025-29934

SOURCES

db:	CNVD	id:	CNVD-2025-29746
db:	NVD	id:	CVE-2025-29934

LAST UPDATE DATE

2025-12-19T22:44:10.458000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-29746	date:	2025-12-03T00:00:00
db:	NVD	id:	CVE-2025-29934	date:	2025-11-25T22:16:42.557

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-29746	date:	2025-12-03T00:00:00
db:	NVD	id:	CVE-2025-29934	date:	2025-11-21T19:15:47.847