CVE-2023-20582

Published Feb 11, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-24761 Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00018}

epss

{'score': 0.0002}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.
Weaknesses CWE-1284
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Feb 12, 2025, 3:56 PM
Reserved
Oct 27, 2022, 6:53 PM
Status
Deferred
Published
Feb 11, 2025, 10:15 PM
Modified
Jun 17, 2026, 5:30 AM