CVE-2021-26377
Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2021-26377- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2021-13183
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.
- Record
EUVD-2021-13183- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hj42-9vr8-7fj2
Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may...
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.
- Record
GHSA-hj42-9vr8-7fj2- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-26377- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
- amd athlon™ 3000 series mobile processors with radeon™ graphics
- amd radeon™ instinct™ mi25 graphics products
- amd radeon™ pro v520 graphics products
- amd radeon™ pro v620 graphics products
- amd radeon™ pro w5000 series graphics products
- amd radeon™ pro w6000 series graphics products
- amd radeon™ rx 5000 series graphics products
- amd radeon™ rx 6000 series graphics products
- amd ryzen™ 3000 series desktop processors
- amd ryzen™ 4000 series desktop processors
- amd ryzen™ 4000 series mobile processors with radeon™ graphics
- amd ryzen™ 5000 series desktop processors
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- amd ryzen™ 5000 series mobile processors with radeon™ graphics
- amd ryzen™ 5000 series processors with radeon™ graphics
- amd ryzen™ 6000 series processors with radeon™ graphics
- amd ryzen™ 7030 series mobile processors with radeon™ graphics
- amd ryzen™ embedded 5000 series processors
- amd ryzen™ embedded r1000 series processors
- amd ryzen™ embedded r2000 series processors
- amd ryzen™ embedded v1000 series processors
- amd ryzen™ embedded v2000 series processors
- amd ryzen™ embedded v3000 series processors
- amd ryzen™ threadripper™ 3000 series processors
- amd ryzen™ threadripper™ pro 3000wx series processors
- amd ryzen™ threadripper™ pro 5000 wx-series processors
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26377 is a medium vulnerability (CVSS 4.1) in Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics, published September 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 4th percentile. No source names a fixed version.