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CVE-2026-109587

CVE-2026-109587 · Incorrect authorization in the Arm Cortex-R82 MPU port in FreeRTOS-Kernel

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Incorrect authorization in the Arm Cortex-R82 (Armv8-R AArch64) MPU port in FreeRTOS-Kernel V11.3.0 and V11.3.1 might allow an unprivileged task on MPU-enabled builds to read and write privileged kernel memory outside the regions assigned to it, via a buffer argument passed to an MPU system call. To remediate this issue, users should upgrade to version V11.3.2 or later.

CVSS 9.3 · Critical · EPSS 0.1%

Published
Updated

Affected products and versions

  • freertos-kernel

    Versions
    • ≥ 11.3.0, ≤ 11.3.1: Affected (custom)

    No fix published

Original sources

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