CVE-2024-21963
Summary
| CVE | CVE-2024-21963 |
|---|---|
| State | PUBLISHED |
| Assigner | AMD |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-12 20:18:09 UTC |
| Updated | 2026-11-12 22:18:35 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 6 MEDIUM from [email protected]
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/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
Problem Types: CWE-125 | CWE-125 CWE-125 Out-of-bounds Read
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 6 | 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/E:X/C... |
| 4.0 | CNA | CVSS | 6 | 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 |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
NoneIntegrity
NoneAvailability
HighSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | AMD | AMD EPYC 7003 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC 7002 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC 9004 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC 7001 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC 4004 Series Processors | unaffected ComboAM5PI 1.2.0.3g | Not specified |
| CNA | AMD | AMD EPYC 9005 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC 8004 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC 4005 Series Processors | unaffected ComboAM5PI 1.2.0.3g | Not specified |
| CNA | AMD | AMD EPYC 8005 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD Ryzen Threadripper PRO 5000 WX-Series Processors | unaffected ChagallWSPI-sWRX8 1.0.0.D | Not specified |
| CNA | AMD | AMD Ryzen 5000 Series Mobile Processors With Radeon Graphics | unaffected CezannePI-FP6_1.0.1.1d | Not specified |
| CNA | AMD | AMD Ryzen Threadripper 7000 WX-Series Processors | unaffected StormPeakPI-SP6_1.1.0.0k | Not specified |
| CNA | AMD | AMD Ryzen 9000HX Series Processors | unaffected FireRangeFL1PI 1.0.0.0c | Not specified |
| CNA | AMD | AMD Ryzen AI 300 Series Processors | unaffected StrixKrackanPI-FP8_1.1.0.0d | Not specified |
| CNA | AMD | AMD Ryzen AI Max 300 Series Processors | unaffected StrixHaloPI-FP11_1.0.0.1c | Not specified |
| CNA | AMD | AMD Ryzen 5000 Series Desktop Processors With Radeon Graphics | unaffected ComboAM4v2PI 1.2.0.10 | Not specified |
| CNA | AMD | AMD Ryzen 9000 Series Desktop Processors | unaffected ComboAM5PI 1.2.0.3g | Not specified |
| CNA | AMD | AMD Ryzen 7040 Series Mobile Processors With Radeon Graphics | unaffected PhoenixPI-FP8-FP7_1.2.0.0e | Not specified |
| CNA | AMD | AMD Ryzen Threadripper 9000 Series | unaffected ShimadaPeakPI-SP6 1.0.0.1b | Not specified |
| CNA | AMD | AMD Ryzen 8040 Series Mobile Processors With Radeon Graphics | unaffected PhoenixPI-FP8-FP7_1.2.0.0e | Not specified |
| CNA | AMD | AMD Ryzen Z2 Series Processors | unaffected PhoenixPI-FP8-FP7_1.2.0.0e | Not specified |
| CNA | AMD | AMD Ryzen 4000 Series Mobile Processors With Radeon Graphics | unaffected RenoirPI-FP6 1.0.0.Ed | Not specified |
| CNA | AMD | AMD Ryzen 6000 Series Processors With Radeon Graphics | unaffected RembrandtPI-FP7_1.0.0.Bf | Not specified |
| CNA | AMD | AMD Ryzen Threadripper PRO 3000 WX-Series Processors | unaffected ChagallWSPI-sWRX8 1.0.0.D | Not specified |
| CNA | AMD | AMD Ryzen 7020 Series Processors With Radeon Graphics | unaffected MendocinoPI-FT6_1.0.0.7f | Not specified |
| CNA | AMD | AMD Ryzen 7045 Series Mobile Processors With Radeon Graphics | unaffected DragonRangeFL1PI 1.0.0.3j | Not specified |
| CNA | AMD | AMD Ryzen AI 300 Series Processors | unaffected StrixKrackanPI-FP8_1.1.0.2.b | 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 4000 Series Desktop Processors | unaffected ComboAM4v2PI 1.2.0.10 | Not specified |
| CNA | AMD | AMD Ryzen 5000 Series Desktop Processors | unaffected ComboAM4v2PI 1.2.0.10 | Not specified |
| CNA | AMD | AMD Ryzen 2000 Mobile Processors | unaffected ComboAM4v2PI 1.2.0.10 | Not specified |
| CNA | AMD | AMD Ryzen 8000 Series Desktop Processors | unaffected ComboAM5PI 1.2.0.3g | Not specified |
| CNA | AMD | AMD Ryzen 8000 Series Desktop Processors | unaffected ComboAM5PI 1.1.0.3d | Not specified |
| CNA | AMD | AMD Ryzen Z1 Series Processors | unaffected ComboAM5PI 1.2.0.3g | Not specified |
| CNA | AMD | AMD Ryzen Z1 Series Processors | unaffected ComboAM5 1.0.0.c | Not specified |
| CNA | AMD | AMD Ryzen Z1 Series Processors | unaffected ComboAM5PI 1.1.0.3d | Not specified |
| CNA | AMD | AMD Ryzen 7000 Series Desktop Processors | unaffected ComboAM5PI 1.2.0.3g | Not specified |
| CNA | AMD | AMD Ryzen 7000 Series Desktop Processors | unaffected ComboAM5 1.0.0.c | Not specified |
| CNA | AMD | AMD Ryzen 7000 Series Desktop Processors | unaffected ComboAM5PI 1.1.0.3d | Not specified |
| CNA | AMD | AMD EPYC Embedded 3000 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC Embedded 7002 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC Embedded 7003 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC Embedded 9004 Series Processors Formerly Codenamed Genoa | unaffected Linux kernel upstream | 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_1.0.0.3 | Not specified |
| CNA | AMD | AMD Ryzen Embedded 5000 Series Processors | unaffected EmbAM4PI 1.0.0.9 | Not specified |
| CNA | AMD | AMD Ryzen Embedded V2000A Series Processors | unaffected EmbeddedV2KAPI-FP6 1.0.0.A | Not specified |
| CNA | AMD | AMD Ryzen Embedded V2000 Series Processors | unaffected EmbeddedPI-FP6_1.0.0.D | Not specified |
| CNA | AMD | AMD Ryzen Embedded V3000 Series Processors | unaffected Embedded-PI_FP7r2 1.0.1.1 | Not specified |
| CNA | AMD | AMD Ryzen Embedded V3000 EDKII Series Processors | unaffected Embedded-PI_FP7r2 1.0.0.D | Not specified |
| CNA | AMD | AMD EPYC Embedded 9005 Series Processors | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC Embedded 9004 Series Processors Formerly Codenamed Bergamo | unaffected Linux kernel upstream | Not specified |
| CNA | AMD | AMD EPYC Embedded 8004 Series Processors | unaffected Linux kernel upstream | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.amd.com/en/resources/product-security/bulletin/AMD-SB-3060.html | [email protected] | www.amd.com | |
| www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html | [email protected] | www.amd.com | |
| www.openwall.com/lists/oss-security/2026/11/10/21 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| xenbits.xen.org/xsa/advisory-524.html | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.