CVE-2021-26381

HIGH

AMD Ryzen Threadripper PRO 3000 WX-Series - Kernel Memory Corruption via System Call Validation

Title source: llm

Description

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.

References (2)

Core 2

Core References

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html

Scores

CVSS v4 7.1

EPSS 0.0001

EPSS Percentile 0.6%

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-770

Status published

Products (22)

AMD/AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5 1.0.0.E

AMD/AMD Radeon™ PRO V520 Contact Your AMD Customer Engineering Represenatative

AMD/AMD Radeon™ PRO V620 Contact Your AMD Customer Engineering Represenatative

AMD/AMD Radeon™ PRO W5000 Series Graphics Products AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

AMD/AMD Radeon™ PRO W6000 Series Graphics Products AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

AMD/AMD Radeon™ RX 5000 Series Graphics Products AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

AMD/AMD Radeon™ RX 6000 Series Graphics Products AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

AMD/AMD Ryzen™ 3000 Series Desktop Processors ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8

AMD/AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2 PI 1.2.0.5

AMD/AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6 1.0.0.8

... and 12 more

Published Feb 10, 2026

Tracked Since Feb 18, 2026