CVE-2021-26381CWE-770

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…

High · published February 10, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
5.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
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
EPSS
0.00164 · 5.4th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-02-10T19:47Z
EPSS history
Timeline
  • 10 FEB 19:47Z
    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…
    cvelistv5