CVE-2023-31364
Improper handling of direct memory writes in the input-output memory management unit could allow...
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
- Record
CVE-2023-31364- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Weakness
- CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2023-35675
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
- Record
EUVD-2023-35675- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xxv2-rmf4-wfx2
Improper handling of direct memory writes in the input-output memory management unit could allow...
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
- Record
GHSA-xxv2-rmf4-wfx2- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-119
- Updated
- 2026-11-02
NVD
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
- Record
CVE-2023-31364- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
- amd athlon™ 3000 series mobile processors with radeon™ graphics
- amd epyc™ 7001 series processors
- amd epyc™ 7002 series processors
- amd epyc™ 7003 series processors
- amd epyc™ 8004 series processors
- amd epyc™ 9004 series processors
- amd epyc™ 9005 series processors
- amd epyc™ embedded 3000 series processors
- amd epyc™ embedded 7002 series processors
- amd epyc™ embedded 7003 series processors
- amd epyc™ embedded 8004 series processors
- amd epyc™ embedded 9004 series processor
Show 21 moreShow less
- amd epyc™ embedded 9005 series processors
- amd ryzen™ 3000 series desktop processors
- amd ryzen™ 3000 series mobile processors with radeon™ graphics
- amd ryzen™ 4000 series mobile processors with radeon™ graphics
- amd ryzen™ 5000 series mobile processors with radeon™ graphics
- amd ryzen™ 6000 series processors with radeon™ graphics
- amd ryzen™ 7000 series desktop processors
- amd ryzen™ 7020 series processors with radeon™ graphics
- amd ryzen™ 7040 series mobile processors with radeon™ graphics
- amd ryzen™ 7045 series mobile processors with radeon™ graphics
- amd ryzen™ 8000 series desktop processors
- amd ryzen™ embedded 5000 series processors
- amd ryzen™ embedded 7000 series processors
- amd ryzen™ embedded 8000 series processors
- amd ryzen™ embedded r1000 series processors
- amd ryzen™ embedded r2000 series processors
- amd ryzen™ embedded v1000 series processors
- amd ryzen™ embedded v2000 series processors
- amd ryzen™ embedded v3000 series processors
- amd ryzen™ threadripper™ pro 3000 wx-series processors
- amd ryzen™ threadripper™ pro 5000 wx-series processors
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31364 is a high vulnerability (CVSS 8.3) in Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics, published February 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.