CVE-2024-36311

MEDIUM

AMD Ryzen 7045 Mobile Processors - SMM Communications Buffer Race Condition

Title source: llm

Description

A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.

References (1)

Core 1

Core References

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html

Scores

CVSS v4 4.6

EPSS 0.0012

EPSS Percentile 2.3%

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-367

Status published

Products (9)

AMD/AMD Ryzen™ 7000 Series Desktop Processors ComboAM5PI 1.0.0.b

AMD/AMD Ryzen™ 7000 Series Desktop Processors ComboAM5PI 1.1.0.3d

AMD/AMD Ryzen™ 7000 Series Desktop Processors ComboAM5PI 1.2.0.3d

AMD/AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics DragonRangeFL1PI 1.0.0.3h

AMD/AMD Ryzen™ 8000 Series Desktop Processors ComboAM5PI 1.1.0.3d

AMD/AMD Ryzen™ 8000 Series Desktop Processors ComboAM5PI 1.2.0.3d

AMD/AMD Ryzen™ 9000 Series Desktop Processors ComboAM5PI 1.2.0.3d

AMD/AMD Ryzen™ 9000HX Series Mobile Processors FireRangeFL1PI 1.0.0.0a

AMD/AMD Ryzen™ Embedded 7000 Series Processors EmbeddedAM5PI 1.0.0.4

Published Feb 10, 2026

Tracked Since Feb 18, 2026