Vulnerability · Published Feb 26, 2026 · Assigned by AMD

CVE-2023-31364

High 8.3

In plain English

A high-severity memory corruption in AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 4.0)8.3High
Exploit odds (30 days)0.3%top 81.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
AMD AMD EPYC™ 7001 Series Processors see references
AMD AMD EPYC™ 7002 Series Processors see references
AMD AMD EPYC™ 7003 Series Processors see references
AMD AMD EPYC™ 8004 Series Processors see references
AMD AMD EPYC™ 9004 Series Processors see references
AMD AMD EPYC™ 9005 Series Processors see references
AMD AMD EPYC™ Embedded 3000 Series Processors see references
AMD AMD EPYC™ Embedded 7002 Series Processors see references
AMD AMD EPYC™ Embedded 7003 Series Processors see references
AMD AMD EPYC™ Embedded 8004 Series Processors EmbGenoaPI-SP5 1.0.0.B
AMD AMD EPYC™ Embedded 9004 Series Processor EmbGenoaPI-SP5 1.0.0.B
AMD AMD EPYC™ Embedded 9005 Series Processors see references
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 3000 Series Desktop Processors No Fix Planned
AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 7000 Series Desktop Processors No Fix Planned
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics No Fix Planned
AMD AMD Ryzen™ 8000 Series Desktop Processors No Fix Planned
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors No Fix Planned
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors No Fix Planned
AMD AMD Ryzen™ Embedded 5000 Series Processors No Fix Planned
AMD AMD Ryzen™ Embedded 7000 Series Processors No Fix Planned
AMD AMD Ryzen™ Embedded 8000 Series Processors No Fix Planned
AMD AMD Ryzen™ Embedded R1000 Series Processors No Fix Planned
AMD AMD Ryzen™ Embedded R2000 Series Processors No Fix Planned

Weakness: CWE-119 · Vector: 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

References