Public vulnerability disclosure
CVE-2024-21963
CVE-2024-21963
publishedCWE-125
An out-of-bounds read vulnerability in the IOMMU could allow a malicious guest to corrupt hypervisor (HV) pages and potentially cause a host crash leading to loss of availability.
Technical severity6.0 mediumCVSS 4.0 · CNA: AMD
Published2026-11-12Source updated 2026-11-12
Collected2026-11-121 attributed source
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| AMD EPYC™ 7003 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 7002 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 9004 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 7001 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 4004 Series Processors AMD |
ComboAM5PI 1.2.0.3g (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 9005 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 8004 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 4005 Series Processors AMD |
ComboAM5PI 1.2.0.3g (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ 8005 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors AMD |
ChagallWSPI-sWRX8 1.0.0.D (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics AMD |
CezannePI-FP6_1.0.1.1d (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Threadripper™ 7000 WX-Series Processors AMD |
StormPeakPI-SP6_1.1.0.0k (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 9000HX Series Processors AMD |
FireRangeFL1PI 1.0.0.0c (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ AI 300 Series Processors AMD |
StrixKrackanPI-FP8_1.1.0.0d (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ AI Max 300 Series Processors AMD |
StrixHaloPI-FP11_1.0.0.1c (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics AMD |
ComboAM4v2PI 1.2.0.10 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 9000 Series Desktop Processors AMD |
ComboAM5PI 1.2.0.3g (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics AMD |
PhoenixPI-FP8-FP7_1.2.0.0e (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Threadripper™ 9000 Series AMD |
ShimadaPeakPI-SP6 1.0.0.1b (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics AMD |
PhoenixPI-FP8-FP7_1.2.0.0e (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Z2 Series Processors AMD |
PhoenixPI-FP8-FP7_1.2.0.0e (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics AMD |
RenoirPI-FP6 1.0.0.Ed (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics AMD |
RembrandtPI-FP7_1.0.0.Bf (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors AMD |
ChagallWSPI-sWRX8 1.0.0.D (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics AMD |
MendocinoPI-FT6_1.0.0.7f (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics AMD |
DragonRangeFL1PI 1.0.0.3j (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ AI 300 Series Processors AMD |
StrixKrackanPI-FP8_1.1.0.2.b (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors AMD |
StormPeakPI-SP6 1.0.0.1m (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 4000 Series Desktop Processors AMD |
ComboAM4v2PI 1.2.0.10 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 5000 Series Desktop Processors AMD |
ComboAM4v2PI 1.2.0.10 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 2000 Mobile Processors AMD |
ComboAM4v2PI 1.2.0.10 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 8000 Series Desktop Processors AMD |
ComboAM5PI 1.2.0.3g (unaffected) ComboAM5PI 1.1.0.3d (unaffected) Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Z1 Series Processors AMD |
ComboAM5PI 1.2.0.3g (unaffected) ComboAM5 1.0.0.c (unaffected) ComboAM5PI 1.1.0.3d (unaffected) Other versions: affected |
CNA: AMD |
| AMD Ryzen™ 7000 Series Desktop Processors AMD |
ComboAM5PI 1.2.0.3g (unaffected) ComboAM5 1.0.0.c (unaffected) ComboAM5PI 1.1.0.3d (unaffected) Other versions: affected |
CNA: AMD |
| AMD EPYC™ Embedded 3000 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ Embedded 7002 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ Embedded 7003 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Embedded 7000 Series Processors AMD |
EmbeddedAM5PI 1.0.0.5 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Embedded 8000 Series Processors AMD |
EmbeddedPhoenixPI-FP7r2_1.0.0.3 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Embedded 5000 Series Processors AMD |
EmbAM4PI 1.0.0.9 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Embedded V2000A Series Processors AMD |
EmbeddedV2KAPI-FP6 1.0.0.A (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Embedded V2000 Series Processors AMD |
EmbeddedPI-FP6_1.0.0.D (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen™ Embedded V3000 Series Processors AMD |
Embedded-PI_FP7r2 1.0.1.1 (unaffected)
Other versions: affected |
CNA: AMD |
| AMD Ryzen Embedded V3000 EDKII Series Processors AMD |
Embedded-PI_FP7r2 1.0.0.D (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ Embedded 9005 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
| AMD EPYC™ Embedded 8004 Series Processors AMD |
Linux kernel upstream (unaffected)
Other versions: affected |
CNA: AMD |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.0 medium |
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | CNA: AMD |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
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