CVE-2023-20582

Published Feb 11, 2025

Last updated 3 months ago

CVSS medium 5.3

Overview

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.
Source
psirt@amd.com
NVD status
Received

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.3
Impact score
4
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Severity
MEDIUM

Weaknesses

psirt@amd.com
CWE-1284

Social media

Hype score
Not currently trending

  1. CVE-2023-20582 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 SE… https://t.co/B20raNyRZs

    @CVEnew

    11 Feb 2025

    271 Impressions

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References

Sources include official advisories and independent security research.