CVE-2024-36343 json
Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of…
published 2026-05-19 5 mo ago modified 2026-07-24 3 mo ago also EUVD-2024-55591
- cvss
- 4.6
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- AMD AMD EPYC™ 4004 ComboAM5PI 1.1.0.3d
- AMD AMD EPYC™ 4005 ComboAM5 1.2.0.3j
- AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics RembrandtPI-FP7_1.0.0.Bg
- AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics PhoenixPI-FP8-FP7_1.2.0.0f
- AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics DragonRangeFL1_1.0.0.3l
- AMD AMD Ryzen™ 7000 Series Desktop Processors ComboAM5 1.2.0.3j, ComboAM5-PI_1.0.0.e, ComboAM5PI 1.1.0.3g
- AMD AMD Ryzen™ 9000HX Series Mobile Processors FireRangeFL1PI 1.0.0.0f
- AMD AMD Ryzen™ AI MAX StrixHaloPI-FP11_1.0.0.2b
- AMD AMD Ryzen™ AI 300 Series Processors StrixKrackanPI-FP8_1.1.0.0f, StrixKrackanPI-FP8_1.1.0.2e
- AMD AMD Ryzen™ Threadripper™ 7000 Processors StormPeakPI-SP6 1.1.0.0k
- AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors StormPeakPI-SP6 1.0.0.1m, StormPeakPI-SP6_1.1.0.0k
- AMD AMD Ryzen™ 8000 Series Desktop Processors ComboAM5 1.2.0.3j, ComboAM5PI 1.1.0.3g
- AMD AMD Ryzen™ 9000 Series Desktop Processors ComboAM5 1.2.0.3j
- AMD AMD Ryzen™ Embedded V3000 Series Processors Embedded-PI_FP7r2 100F
- AMD AMD Ryzen™ Embedded 7000 Series Processors EmbeddedAM5PI 1.0.0.5
- AMD AMD Ryzen™ Embedded 8000 Series Processors EmbeddedPhoenixPI-FP7r2_1.0.0.4
- AMD AMD Ryzen™ Embedded 9000 Series Processors EmbeddedAM5PI 1.0.0.7
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.6 | 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 |
| CNA | 4.0 | 4.6 | 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 |
Affected products
- 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
- AMD AMD Ryzen™ 7000 Series Desktop Processors
- AMD AMD Ryzen™ 9000HX Series Mobile Processors
- AMD AMD Ryzen™ AI MAX
- AMD AMD Ryzen™ AI 300 Series Processors
- AMD AMD Ryzen™ Threadripper™ 7000 Processors
- AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
- AMD AMD Ryzen™ 8000 Series Desktop Processors
- AMD AMD Ryzen™ 9000 Series Desktop Processors
- AMD AMD Ryzen™ Embedded V3000 Series Processors
- AMD AMD Ryzen™ Embedded 7000 Series Processors
- AMD AMD Ryzen™ Embedded 8000 Series Processors
- AMD AMD Ryzen™ Embedded 9000 Series Processors
Classification
- Weakness
-
- CWE-124 Buffer Underwrite
References
Sources
- CVE List CVE-2024-36343
- NVD CVE-2024-36343
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.