CVE-2021-26380

Summary

CVECVE-2021-26380
StatePUBLISHED
AssignerAMD
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-15 03:16:20 UTC
Updated2026-05-15 03:16:20 UTC
DescriptionA compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity.

Risk And Classification

Primary CVSS: v4.0 1.8 LOW from [email protected]

CVSS:4.0/AV:L/AC:H/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

Problem Types: CWE-190 | CWE-190 CWE-190 Integer Overflow or Wraparound


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.8LOWCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS1.8LOWCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:H/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AMD AMD Ryzen 5000 Series Desktop Processors With Radeon Graphics unaffected ComboAM4v2 PI 1.2.0.5 Not specified
CNA AMD AMD Ryzen Threadripper PRO 5000 WX-Series Processors unaffected ChagallWSPI-sWRX8 1.0.0.2 Not specified
CNA AMD AMD Ryzen 7030 Series Mobile Processors With Radeon Graphics unaffected CezannePI-FP6 1.0.0.6 Not specified
CNA AMD AMD Athlon 3000 Series Mobile Processors With Radeon Graphics unaffected PicassoPI-FP5 1.0.0.E Not specified
CNA AMD AMD Ryzen 5000 Series Mobile Processors With Radeon Graphics unaffected CezannePI-FP6 1.0.0.6 Not specified
CNA AMD AMD Ryzen 3000 Series Desktop Processors unaffected ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8 Not specified
CNA AMD AMD Athlon 3000 Series Desktop Processors With Radeon Graphics unaffected ComboAM4v2 PI 1.2.0.8 Not specified
CNA AMD AMD Ryzen 4000 Series Mobile Processors With Radeon Graphics unaffected RenoirPI-FP6 1.0.0.7 Not specified
CNA AMD AMD Ryzen 4000 Series Desktop Processors unaffected ComboAM4v2 PI 1.2.0.5 Not specified
CNA AMD AMD Ryzen 5000 Series Desktop Processors unaffected ComboAM4 V2 PI 1.2.0.8 Not specified
CNA AMD AMD Ryzen Embedded R1000 Series Processors unaffected EmbeddedPI-FP5_1.2.0.A Not specified
CNA AMD AMD Ryzen Embedded R2000 Series Processors unaffected EmbeddedR2KPI-FP5_1.0.0.2 Not specified
CNA AMD AMD Ryzen Embedded 5000 Series Processors unaffected EmbAM4PI 1.0.0.2 Not specified
CNA AMD AMD Ryzen Embedded V1000 Series Processors Formerly Codenamed Raven Ridge unaffected EmbeddedPI-FP5_1.2.0.A Not specified
CNA AMD AMD Ryzen Embedded V1000 Series Processors Formerly Codenamed Picasso unaffected 120A Not specified
CNA AMD AMD Ryzen Embedded V2000 Series Processors unaffected EmbeddedPI-FP6_1.0.0.6 Not specified
CNA AMD AMD Ryzen Embedded V3000 Series Processors unaffected EmbeddedPI-FP7r2_0080 Not specified
CNA AMD AMD Radeon RX 5000 Series Graphics Products unaffected AMD Software: Adrenalin Edition 25.10.2 (25.10.33.02 RDNA1/RDNA2) Not specified
CNA AMD AMD Radeon PRO W5000 Series Graphics Products unaffected AMD Software: PRO Edition 25.Q3.1 (25.10.32 RDNA) Not specified
CNA AMD AMD Radeon RX 6000 Series Graphics Products unaffected AMD Software: Adrenalin Edition 25.10.2 (25.10.33.02 RDNA1/RDNA2) Not specified
CNA AMD AMD Radeon RX Vega Series Graphics Cards unaffected AMD Software: Adrenalin Edition 25.8.1 (23.19.23.11 pre-RDNA) Not specified
CNA AMD AMD Radeon VII unaffected AMD Software: Adrenalin Edition 25.8.1 (23.19.23.11 pre-RDNA) Not specified
CNA AMD AMD Radeon PRO W6000 Series Graphics Products unaffected AMD Software: PRO Edition 25.Q3.1 (25.10.32 RDNA) Not specified
CNA AMD AMD Radeon PRO WX 8000/9000 Series Graphics Cards unaffected AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA) Not specified
CNA AMD AMD Radeon PRO VII unaffected AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA) Not specified
CNA AMD AMD Radeon Instinct MI25 unaffected Contact your AMD Customer Engineering representative Not specified
CNA AMD AMD Radeon PRO V520 unaffected Contact your AMD Customer Engineering representative Not specified
CNA AMD AMD Radeon PRO V620 unaffected Contact your AMD Customer Engineering representative Not specified

References

ReferenceSourceLinkTags
www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html [email protected] www.amd.com
www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html [email protected] www.amd.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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