CVE-2024-36343

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-36343
StatePUBLISHED
AssignerAMD
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-19 22:16:35 UTC
Updated2026-05-20 14:04:24 UTC
DescriptionImproper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.

Risk And Classification

Primary CVSS: v4.0 4.6 MEDIUM from [email protected]

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

EPSS: 0.000070000 probability, percentile 0.005030000 (date 2026-05-27)

Problem Types: CWE-124 | CWE-124 CWE-124 Buffer Underwrite ('Buffer Underflow')

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary4.6MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS4.6MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AMD AMD EPYC 4004 unaffected ComboAM5PI 1.1.0.3d Not specified
CNA AMD AMD EPYC 4005 unaffected ComboAM5 1.2.0.3j Not specified
CNA AMD AMD Ryzen 6000 Series Processors With Radeon Graphics unaffected RembrandtPI-FP7_1.0.0.Bg Not specified
CNA AMD AMD Ryzen 7040 Series Mobile Processors With Radeon Graphics unaffected PhoenixPI-FP8-FP7_1.2.0.0f Not specified
CNA AMD AMD Ryzen 7045 Series Mobile Processors With Radeon Graphics unaffected DragonRangeFL1_1.0.0.3l Not specified
CNA AMD AMD Ryzen 7000 Series Desktop Processors unaffected ComboAM5-PI_1.0.0.e Not specified
CNA AMD AMD Ryzen 7000 Series Desktop Processors unaffected ComboAM5PI 1.1.0.3g Not specified
CNA AMD AMD Ryzen 7000 Series Desktop Processors unaffected ComboAM5 1.2.0.3j Not specified
CNA AMD AMD Ryzen 9000HX Series Mobile Processors unaffected FireRangeFL1PI 1.0.0.0f Not specified
CNA AMD AMD Ryzen AI MAX unaffected StrixHaloPI-FP11_1.0.0.2b Not specified
CNA AMD AMD Ryzen AI 300 Series Processors unaffected StrixKrackanPI-FP8_1.1.0.0f Not specified
CNA AMD AMD Ryzen AI 300 Series Processors unaffected StrixKrackanPI-FP8_1.1.0.2e Not specified
CNA AMD AMD Ryzen Threadripper 7000 Processors unaffected StormPeakPI-SP6 1.1.0.0k Not specified
CNA AMD AMD Ryzen Threadripper PRO 7000 WX-Series Processors unaffected StormPeakPI-SP6 1.0.0.1m Not specified
CNA AMD AMD Ryzen Threadripper PRO 7000 WX-Series Processors unaffected StormPeakPI-SP6_1.1.0.0k Not specified
CNA AMD AMD Ryzen 8000 Series Desktop Processors unaffected ComboAM5PI 1.1.0.3g Not specified
CNA AMD AMD Ryzen 8000 Series Desktop Processors unaffected ComboAM5 1.2.0.3j Not specified
CNA AMD AMD Ryzen 9000 Series Desktop Processors unaffected ComboAM5 1.2.0.3j Not specified
CNA AMD AMD Ryzen 9000 Series Desktop Processors unaffected ComboAM5 1.2.0.3j Not specified
CNA AMD AMD Ryzen Embedded V3000 Series Processors unaffected Embedded-PI_FP7r2 100F Not specified
CNA AMD AMD Ryzen Embedded 7000 Series Processors unaffected EmbeddedAM5PI 1.0.0.5 Not specified
CNA AMD AMD Ryzen Embedded 8000 Series Processors unaffected EmbeddedPhoenixPI-FP7r2_1.0.0.4 Not specified
CNA AMD AMD Ryzen Embedded 9000 Series Processors unaffected EmbeddedAM5PI 1.0.0.7 Not specified

References

ReferenceSourceLinkTags
www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html [email protected] www.amd.com
www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html [email protected] www.amd.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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