Amd Ryzen 7040 Series Mobile Processors With Radeon Graphics
CVE-2024-36343
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EUVD-2024-55591
MEDIUM
Severity by source
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
Primary rating from Vendor (AMD) · only source for this CVE.
CVSS VectorVendor: AMD
Lifecycle Timeline
1DescriptionCVE.org
Improper 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.
AnalysisAI
Improper 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. Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-124. Improper 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. Affected products include: Amd Amd Epyc™ 4004, Amd Amd Epyc™ 4005, Amd Amd Ryzen™ 6000 Series Processors With Radeon™ Graphics, Amd Amd Ryzen™ 7040 Series Mobile Processors With Radeon™ Graphics, Amd Amd Ryzen™ 7045 Series Mobile Processors With Radeon™ Graphics.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Local privilege escalation in the AMD Platform Configuration Blob (APCB) SMM driver, shipped in AGESA firmware across ne
DDR5 memory modules in multiple AMD Ryzen processor families contain an insecure default PMIC (Power Management Integrat
Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and poten
System Management Mode (SMM) handler in AMD Ryzen mobile, desktop, embedded, Threadripper, and EPYC processors allows pr
Improper access control between JTAG and AXI interfaces in AMD Ryzen 7040, 8000, 8040 mobile, and Embedded 8000 series p
Out-of-bounds read in power management firmware affects AMD Ryzen AI, Ryzen 7000/8000 series mobile processors, Ryzen 80
Same weakness CWE-124 – Buffer Underwrite ('Buffer Underflow')
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today
GHSA-qjgc-hx5r-r632