PT-2025-6395 · Amd · Sev-Snp

Published 2025-02-11 · Updated 2025-02-12 · CVE-2023-20582

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions SEV-SNP (affected versions not specified)

Description The issue is related to the improper handling of invalid nested page table entries in the IOMMU, which may allow a privileged attacker to induce page table entry (PTE) faults. This could potentially bypass RMP checks in SEV-SNP, leading to a loss of guest memory integrity.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-1284

Related Identifiers

BDU:2025-02689

CVE-2023-20582

Affected Products

Sev-Snp

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2023-20582 · Security Note
• https://bdu.fstec.ru/vul/2025-02689 · Security Note
• https://t.me/cvedetector/17790 · Telegram Post
• https://twitter.com/CVEnew/status/1889437669572440471 · Twitter Post
• https://amd.com/en/resources/product-security/bulletin/amd-sb-5004.html · Note
• https://amd.com/en/resources/product-security/bulletin/amd-sb-3009.html · Note
• https://twitter.com/VulmonFeeds/status/1889575815978922462 · Twitter Post