CVE-2021-26377

MEDIUM

AMD Ryzen 5000 Series DoS via Integer Overflow in Trusted OS Process Space Allocation

Title source: llm

Description

Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.

References (3)

Core 3

Core References

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

Scores

CVSS v3 4.1

EPSS 0.0002

EPSS Percentile 4.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-190

Status published

Products (29)

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

AMD/AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PollockPI-FT5 1.0.0.4

AMD/AMD Radeon™ Instinct™ MI25 Graphics Products Contact your AMD Customer Engineering representative

AMD/AMD Radeon™ PRO V520 Graphics Products Contact your AMD Customer Engineering representative

AMD/AMD Radeon™ PRO V620 Graphics Products Contact your AMD Customer Engineering representative

AMD/AMD Radeon™ PRO W5000 Series Graphics Products AMD Software: PRO Edition 24.Q2 (24.10.20)

AMD/AMD Radeon™ PRO W6000 Series Graphics Products AMD Software: PRO Edition 24.Q2 (24.10.20)

AMD/AMD Radeon™ RX 5000 Series Graphics Products AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)

AMD/AMD Radeon™ RX 5000 Series Graphics Products AMD Software: PRO Edition 24.Q2 (24.10.20)

AMD/AMD Radeon™ RX 6000 Series Graphics Products AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)

... and 19 more

Published Sep 06, 2025

Tracked Since Feb 18, 2026