PT-2026-115976
CVE-2026-109587
·
Published
2026-10-16
·
Updated
2026-10-16
Description by
CVSS 4.0
9.3
CriticalMetricsAV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Name of the Vulnerable Software and Affected Versions
FreeRTOS-Kernel versions 11.3.0 through 11.3.1
Description
Incorrect authorization in the Arm Cortex-R82 (Armv8-R AArch64) MPU port allows an unprivileged task on MPU-enabled builds to read and write privileged kernel memory outside its assigned regions. This occurs via a buffer argument passed to an MPU system call.
Recommendations
Upgrade to version 11.3.2 or later.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Found an issue in the description? Have something to add? Feel free to write us 👾