PT-2024-19133 · Amd+1 · Sev-Snp+1

Published 2024-08-05 · Updated 2025-08-13 · CVE-2024-21978

Positive Technologies (AI Summary)

CVSS v3.1

7.9

High

Base vector

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

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

Description The issue is related to improper input validation in SEV-SNP, which could allow a malicious hypervisor to read or overwrite guest memory. This could potentially lead to data leakage or data corruption.

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

Exploit

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2025-09854

CVE-2024-21978

Affected Products

Red Os

Sev-Snp

References · 9

• 🔥 https://github.com/Freax13/cve-2024-21978-poc · Exploit
• https://https//www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09854 · Security Note
• https://osv.dev/vulnerability/CVE-2024-21978 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-21978 · Security Note
• https://t.me/cvedetector/2475 · Telegram Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-linux-firmware-13082025/?sphrase_id=1203948 · Note
• https://t.me/cvenotify/89238 · Telegram Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-linux-firmware-13082025 · Note