CVE-2025-62620

Published Nov 10, 2026 CVSS 4.0 · 5.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Ring Buffer Queue Status Page Validation Flaw Allows Guest Memory Integrity Compromise
Type Values Removed Values Added
First Time appeared Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Type Values Removed Values Added
Title Ring Buffer Queue Status Page Validation Flaw Allows Guest Memory Integrity Compromise
Type Values Removed Values Added
Title Ring Buffer Validation Vulnerability Enables Guest Memory Corruption
Type Values Removed Values Added
Title Ring Buffer Validation Vulnerability Enables Guest Memory Corruption
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
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'}