Memory Buffer Operations Vulnerability in PCIe Link by AMD
CVE-2024-21961

6MEDIUM

Key Information:

Vendor

Amd
Status
Amd Epyc™ 7002 Series Processors
Amd Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics
Amd Ryzen™ 7000 Series Desktop Processors
Amd Ryzen™ 5000 Series Desktop Processors
Vendor
CVE Published:
12 February 2026

What is CVE-2024-21961?

A vulnerability exists in the PCIe Link where improper restrictions on operations within the bounds of a memory buffer can be exploited by an attacker with access to a guest virtual machine. This could potentially lead to a denial of service attack against the host system, which may result in significant interruptions in service and loss of system availability.

Affected Version(s)

AMD EPYC™ 7002 Series Processors No Fix Planned

AMD EPYC™ Embedded 7002 Series Processors No fix planned

AMD Ryzen™ 3000 Series Desktop Processors Errata #1165,1166,1526

References

https://www.amd.com/en/resources/product-security/bulleti...
https://www.amd.com/en/resources/product-security/bulleti...

CVSS V4

Score:
6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.