CVE-2021-26377

MEDIUM EPSS 3.7%
Published Sep 6, 20259mo ago · Modified Jun 17, 20262w ago
4.1 CVSS 3.1
Medium
Find Similar
Published Sep 6, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
4.1
Exploitability
0.5
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity High
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

References 3

  • amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
  • amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
  • amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.