CVE Catalog

CVE-2021-26381

High
Published: Translated: NVD NIST

Summary

Improper validation of system call parameters 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.

Risk Assessment

The risk includes compromise of kernel memory integrity, potentially leading to unauthorized access, privilege escalation, or system crash.

Recommendation

Apply vendor-provided patches for the Trusted OS immediately and restrict trust in device drivers.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS