CVE-2026-77237

Medium

Open

TLP:CLEAR

Missing type validation in xQueueAddToSet in FreeRTOS-Kernel

NVD CVE.org

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Description

Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports with configUSE_QUEUE_SETS=1 to read privileged kernel memory. To remediate this issue, users should upgrade to version 11.3.1 or later.

Details

CVSS Score: 6.5
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Confidence: 90%
Published: Aug 21, 2026
Last Modified: Aug 21, 2026

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