CVE-2023-31355 MEDIUM

CVE-2023-31355

Vendor Amd
Product 3rd Gen AMD EPYC™ Processors
Weakness CWE-119
Published August 5, 2024
Last update August 6, 2024
View on NVD All CVEs

CVSS base score

6.0/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.

Key dates

02Disclosure timeline

August 5, 2024 CVE published
August 6, 2024 Record updated