Use after free in AMD 3rd Gen AMD EPYC™ Processors
Priority LOW 15CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00204 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AMD | 3rd Gen AMD EPYC™ Processors | various | — | No fix listed | CNA |
| AMD | 4th Gen AMD EPYC™ Processors | various | — | No fix listed | CNA |
- 3rd Gen AMD EPYC™ Processors VendorAMD Affected various Fixed in — No fix listed CNA
- 4th Gen AMD EPYC™ Processors VendorAMD Affected various Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:* | before 1.0.0.a | Vulnerable | AMD |
| cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:genoapi_firmware:*:*:*:*:*:*:*:* | before 1.0.0.3 | Vulnerable | AMD |
| cpe:2.3:h:amd:genoapi:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
- cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.a Vulnerable ·AMD
- cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:genoapi_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.3 Vulnerable ·AMD
- cpe:2.3:h:amd:genoapi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
AMD 3rd Gen AMD EPYC™ Processors, 4th Gen AMD EPYC™ Processors — amd.com/en/corporate/product-security/bulletin/AMD-SB-3002
10 records Highest priority Priority MEDIUM 1 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2022-07838 Improper input validation in AMD Ryzen™ 3000 series Desktop Processors “Matisse"Priority MEDIUM 43
- TI-2023-07018 Improper address validation in ASP with SNP enabled may potentially allow an attacker to…Priority LOW 33
- TI-2023-07005 Insufficient DRAM address validation in System Management Unit (SMU) may allow an…Priority LOW 33
Timeline
- 2026-10-02 Threatist record created from CVE-2023-20519
- 2026-10-03 Alias added: GHSA-3pww-pqg2-m2hm
References
Sources
- CVE-2023-20519 · CVE Program
- CVE-2023-20519 · NVD
- FIRST EPSS
- GHSA-3pww-pqg2-m2hm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences