CVE-2023-31364: amd amd athlon™ 3000 series mobile processors with radeon™ graphics

Vulnerability summary

CVE-2023-31364 is a high (CVSS 8.3) vulnerability in amd amd athlon™ 3000 series mobile processors with radeon™ graphics. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.1% of scored vulnerabilities.

Timeline

1. 26-02-2026
   PublishedVulnerability first disclosed.
2. 27-02-2026
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.