Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.

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History

Tue, 10 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 20:00:00 +0000

Type Values Removed Values Added
Description Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.
Weaknesses CWE-770
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-02-11T04:56:49.871Z

Reserved: 2021-01-29T21:24:26.159Z

Link: CVE-2021-26381

cve-icon Vulnrichment

Updated: 2026-02-10T20:37:58.361Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-10T20:16:41.110

Modified: 2026-02-10T21:51:48.077

Link: CVE-2021-26381

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses