CVE-2021-26377
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BaseFortify

Publication date: 2025-09-06

Last updated on: 2025-09-08

Assigner: Advanced Micro Devices Inc.

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.
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Meta Information
Published
2025-09-06
Last Modified
2025-09-08
Generated
2026-06-16
AI Q&A
2025-09-06
EPSS Evaluated
2026-06-15
NVD
CVE-2021-26377
EUVD
EUVD-2021-13183
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
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Executive Summary

This vulnerability involves insufficient parameter validation during the allocation of process space in the Trusted OS (TOS). A malicious userspace process can exploit this by triggering an integer overflow, which may lead to a denial of service condition.

Impact Analysis

The vulnerability can lead to a denial of service, meaning that affected systems may become unavailable or unresponsive due to the exploitation of the integer overflow in the Trusted OS.

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