CVE-2024-21963 json
An out-of-bounds read vulnerability in the IOMMU could allow a malicious guest to corrupt hypervisor (HV) pages and potentially cause a hos…
published 2d ago modified 2d ago also EUVD-2024-55845
- cvss
- 6.0
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- AMD AMD EPYC™ 4004 Series Processors ComboAM5PI 1.2.0.3g
- AMD AMD EPYC™ 4005 Series Processors ComboAM5PI 1.2.0.3g
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.D
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6_1.0.1.1d
- AMD AMD Ryzen™ Threadripper™ 7000 WX-Series Processors StormPeakPI-SP6_1.1.0.0k
- AMD AMD Ryzen™ 9000HX Series Processors FireRangeFL1PI 1.0.0.0c
- AMD AMD Ryzen™ AI 300 Series Processors StrixKrackanPI-FP8_1.1.0.0d, StrixKrackanPI-FP8_1.1.0.2.b
- AMD AMD Ryzen™ AI Max 300 Series Processors StrixHaloPI-FP11_1.0.0.1c
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2PI 1.2.0.10
- AMD AMD Ryzen™ 9000 Series Desktop Processors ComboAM5PI 1.2.0.3g
- AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics PhoenixPI-FP8-FP7_1.2.0.0e
- AMD AMD Ryzen™ Threadripper™ 9000 Series ShimadaPeakPI-SP6 1.0.0.1b
- AMD AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics PhoenixPI-FP8-FP7_1.2.0.0e
- AMD AMD Ryzen™ Z2 Series Processors PhoenixPI-FP8-FP7_1.2.0.0e
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6 1.0.0.Ed
- AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics RembrandtPI-FP7_1.0.0.Bf
- AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.D
- AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics MendocinoPI-FT6_1.0.0.7f
- AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics DragonRangeFL1PI 1.0.0.3j
- AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors StormPeakPI-SP6 1.0.0.1m
- AMD AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2PI 1.2.0.10
- AMD AMD Ryzen™ 5000 Series Desktop Processors ComboAM4v2PI 1.2.0.10
- AMD AMD Ryzen™ 2000 Mobile Processors ComboAM4v2PI 1.2.0.10
- AMD AMD Ryzen™ 8000 Series Desktop Processors ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3g
- AMD AMD Ryzen™ Z1 Series Processors ComboAM5 1.0.0.c, ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3g
- AMD AMD Ryzen™ 7000 Series Desktop Processors ComboAM5 1.0.0.c, ComboAM5PI 1.1.0.3d, ComboAM5PI 1.2.0.3g
- AMD AMD Ryzen™ Embedded 7000 Series Processors EmbeddedAM5PI 1.0.0.5
- AMD AMD Ryzen™ Embedded 8000 Series Processors EmbeddedPhoenixPI-FP7r2_1.0.0.3
- AMD AMD Ryzen™ Embedded 5000 Series Processors EmbAM4PI 1.0.0.9
- AMD AMD Ryzen™ Embedded V2000A Series Processors EmbeddedV2KAPI-FP6 1.0.0.A
- xen Alpine 3.21 4.19.6-r4
- xen Alpine 3.23, Alpine 3.22 4.20.4-r4
- xen Alpine 3.24 4.21.2-r4
alpine advisories ALPINE-CVE-2024-21963
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Is CVE-2024-21963 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2d ago
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.0 | 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 | 4.0 | 6.0 | 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 |
Affected products
- AMD AMD EPYC™ 7003 Series Processors
- AMD AMD EPYC™ 7002 Series Processors
- AMD AMD EPYC™ 9004 Series Processors
- AMD AMD EPYC™ 7001 Series Processors
- AMD AMD EPYC™ 4004 Series Processors
- AMD AMD EPYC™ 9005 Series Processors
- AMD AMD EPYC™ 8004 Series Processors
- AMD AMD EPYC™ 4005 Series Processors
- AMD AMD EPYC™ 8005 Series Processors
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ 7000 WX-Series Processors
- AMD AMD Ryzen™ 9000HX Series Processors
- AMD AMD Ryzen™ AI 300 Series Processors
- AMD AMD Ryzen™ AI Max 300 Series Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 9000 Series Desktop Processors
- AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ 9000 Series
- AMD AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Z2 Series Processors
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
- AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
- AMD AMD Ryzen™ 4000 Series Desktop Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors
- AMD AMD Ryzen™ 2000 Mobile Processors
- AMD AMD Ryzen™ 8000 Series Desktop Processors
- AMD AMD Ryzen™ Z1 Series Processors
- AMD AMD Ryzen™ 7000 Series Desktop Processors
- AMD AMD EPYC™ Embedded 3000 Series Processors
- AMD AMD EPYC™ Embedded 7002 Series Processors
- AMD AMD EPYC™ Embedded 7003 Series Processors
- AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")
- AMD AMD Ryzen™ Embedded 7000 Series Processors
- AMD AMD Ryzen™ Embedded 8000 Series Processors
- AMD AMD Ryzen™ Embedded 5000 Series Processors
- AMD AMD Ryzen™ Embedded V2000A Series Processors
- AMD AMD Ryzen™ Embedded V2000 Series Processors
- AMD AMD Ryzen™ Embedded V3000 Series Processors
- AMD AMD Ryzen Embedded V3000 EDKII Series Processors
- AMD AMD EPYC™ Embedded 9005 Series Processors
- AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")
- AMD AMD EPYC™ Embedded 8004 Series Processors
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
Sources
- CVE List CVE-2024-21963
- NVD CVE-2024-21963
Fencer Intel 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.