CVE-2023-20582

MEDIUM

SEV-SNP - Privilege Escalation

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.3
EPSS 0.0001
EPSS Percentile 0.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1284
Status published
Products (3)
AMD/AMD EPYC™ 9004 Processors GenoaPI 1.0.0.C
AMD/AMD EPYC™ 9004 Processors SEV FW1.55.36
AMD/AMD EPYC™ Embedded 9004 EmbGenoaPI-SP5 1.0.0.7
Published Feb 11, 2025
Tracked Since Feb 18, 2026