CVE-2025-62620 - Vulnerability Details - OpenCVE

Improper validation of unsafe equivalence in input could allow an attacker with high privileges to reclaim the ring buffer queue status page, potentially resulting in loss of guest memory integrity.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact High

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0016.

Key SSVC decision points have not yet been added.

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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html

History

Wed, 11 Nov 2026 12:15:00 +0000

Type	Values Removed	Values Added
Title		Ring Buffer Validation Vulnerability Enables Guest Memory Corruption

Tue, 10 Nov 2026 22:00:00 +0000

Type	Values Removed	Values Added
Description		Improper validation of unsafe equivalence in input could allow an attacker with high privileges to reclaim the ring buffer queue status page, potentially resulting in loss of guest memory integrity.
Weaknesses		CWE-1289
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html
Metrics		cvssV4_0 `{'score': 5.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-11-10T21:43:31.443Z

Updated: 2026-11-10T21:43:31.443Z

Reserved: 2025-10-16T20:46:13.454Z

Link: CVE-2025-62620

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-11-10T22:17:46.990

Modified: 2026-11-10T22:17:46.990

Link: CVE-2025-62620

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-11-11T12:00:23Z

Weaknesses

CWE-1289

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