AMD EPYC 9004 Processors SMM Communication buffer underflow

Summaryinfo

A vulnerability, which was classified as problematic, was found in AMD EPYC 9004 Processors, EPYC 9005 Processors, Ryzen 6000 Processors with Radeon Graphics, Ryzen 7040 Mobile Processors with Radeon Graphics, Ryzen 7020 Processors with Radeon Graphics, Ryzen 9000HX Mobile Processors, Ryzen AI Max 300 Processors, Ryzen AI 300 Processors, Ryzen Threadripper 7000 Processors, Ryzen Threadripper PRO 7000 WX-Series Processors, Ryzen 8000 Desktop Processors, Ryzen 9000 Desktop Processors, Not public, Ryzen 8040 Mobile Processors with Radeon Graphics, Ryzen 7035 Processors with Radeon Graphics, EPYC Embedded 9004 Processors, Ryzen Embedded 8000 Processors and Ryzen Embedded V3000 Processors. This issue affects some unknown processing of the component SMM Communication Handler. Executing a manipulation can lead to buffer underflow. This vulnerability is tracked as CVE-2024-36310. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in AMD EPYC 9004 Processors, EPYC 9005 Processors, Ryzen 6000 Processors with Radeon Graphics, Ryzen 7040 Mobile Processors with Radeon Graphics, Ryzen 7020 Processors with Radeon Graphics, Ryzen 9000HX Mobile Processors, Ryzen AI Max 300 Processors, Ryzen AI 300 Processors, Ryzen Threadripper 7000 Processors, Ryzen Threadripper PRO 7000 WX-Series Processors, Ryzen 8000 Desktop Processors, Ryzen 9000 Desktop Processors, Not public, Ryzen 8040 Mobile Processors with Radeon Graphics, Ryzen 7035 Processors with Radeon Graphics, EPYC Embedded 9004 Processors, Ryzen Embedded 8000 Processors and Ryzen Embedded V3000 Processors. It has been declared as problematic. This vulnerability affects some unknown functionality of the component SMM Communication Handler. The manipulation with an unknown input leads to a buffer underflow vulnerability. The CWE definition for the vulnerability is CWE-124. The product writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Improper input validation in the SMM communications buffer could allow a privileged attacker to perform an out of bounds read or write to SMRAM potentially resulting in loss of confidentiality or integrity.

The advisory is available at amd.com. This vulnerability was named CVE-2024-36310 since 05/23/2024. The exploitation appears to be easy. Local access is required to approach this attack. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Artificial Intelligence Software

Vendor

• AMD

Name

• EPYC 9004 Processors
• EPYC 9005 Processors
• EPYC Embedded 9004 Processors
• Not public
• Ryzen 6000 Processors with Radeon Graphics
• Ryzen 7020 Processors with Radeon Graphics
• Ryzen 7035 Processors with Radeon Graphics
• Ryzen 7040 Mobile Processors with Radeon Graphics
• Ryzen 8000 Desktop Processors
• Ryzen 8040 Mobile Processors with Radeon Graphics
• Ryzen 9000 Desktop Processors
• Ryzen 9000HX Mobile Processors
• Ryzen AI 300 Processors
• Ryzen AI Max 300 Processors
• Ryzen Embedded 8000 Processors
• Ryzen Embedded V3000 Processors
• Ryzen Threadripper 7000 Processors
• Ryzen Threadripper PRO 7000 WX-Series Processors

License

• commercial

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