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CVE-2023-31356
Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting…
Medium4.4EPSS 0.21%
- Published
- Updated
- Reserved
- Assigned by
- AMD
Description
Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| AMDCNA (assigner) | 3.1 | Medium4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| NVDNVD · Deferred | 3.1 | Medium4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.21% · top 88% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.
Weakness
Affected products
AMD · AMD EPYC™ 7003 Processors
- unaffected MilanPI 1.0.0.C
AMD · AMD EPYC™ 9004 Processors
- unaffected GenoaPI 1.0.0.B
- unaffected "EmbMilanPI-SP3 1.0.0.8"
- unaffected EmbGenoaPI-SP5 1.0.0.6
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-31356)Record last updated .