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Vulnerability · Published Sep 6, 2025 · Assigned by AMD

CVE-2021-26377

Medium 4.1

In plain English

A medium-severity integer overflow in AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)4.1Medium
Exploit odds (30 days)0.2%top 95.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ Threadripper™ 3000 Series Processors see references
AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors see references
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors see references
AMD AMD Ryzen™ 5000 Series Desktop Processors see references
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 3000 Series Desktop Processors see references
AMD AMD Ryzen™ 7030 Series Mobile processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 4000 Series Desktop Processors see references
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 5000 Series Desktop Processors see references
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ Embedded R1000 Series Processors see references
AMD AMD Ryzen™ Embedded R2000 Series Processors see references
AMD AMD Ryzen™ Embedded 5000 Series Processors see references
AMD AMD Ryzen™ Embedded V1000 Series Processors see references
AMD AMD Ryzen™ Embedded V2000 Series Processors see references
AMD AMD Ryzen™ Embedded V3000 Series Processors see references
AMD AMD Radeon™ RX 5000 Series Graphics Products see references
AMD AMD Radeon™ PRO W5000 Series Graphics Products see references
AMD AMD Radeon™ RX 6000 Series Graphics Products see references
AMD AMD Radeon™ PRO W6000 Series Graphics Products see references
AMD AMD Radeon™ Instinct™ MI25 Graphics Products see references
AMD AMD Radeon™ PRO V520 Graphics Products see references
AMD AMD Radeon™ PRO V620 Graphics Products see references

Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

References