PT-2024-12276 · Amd · Sev Firmware

Tom Dohrmann · Published 2024-02-13 · Updated 2025-10-01 · CVE-2023-31347

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

Base vector

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

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

Description A code bug in Secure TSC may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled, potentially resulting in a loss of guest integrity.

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

Weakness Enumeration

CWE-682

Related Identifiers

CVE-2023-31347

Affected Products

Sev Firmware

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2023-31347 · Security Note
• https://ubuntu.com/security/CVE-2023-31347 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-31347 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-31347 · Vendor Advisory
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-3007 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-31347 · Vendor Advisory
• https://twitter.com/grok/status/1973392911829180724 · Twitter Post
• https://twitter.com/CVEnew/status/1757492936835485742 · Twitter Post
• https://t.me/cvenotify/115064 · Telegram Post