CVE-2023-31355

MediumCVSS 6.0/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.0/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-119CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Aug 5, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2023-31355: Medium severity, CVSS 6.0 | Vulnix