CVE-2021-26381

HighCVSS 7.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 4.0 7.1/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-770

Affected software

No affected versions have been published.

Timeline

Published: Feb 10, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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