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8.8 High

CVE-2026-77234 Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to…

Description

Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to execute code in privileged kernel context. To remediate this issue, users should upgrade to version 11.3.1 or later.

Affected products and versions

Product Affected versions Fixed in
FreeRTOS-Kernel 7.0 7.0.0 → 11.3.0 No fix stated

Other CVEs of FreeRTOS-Kernel

The 8 CVEs of FreeRTOS-Kernel →
CVE-2026-119086 Missing queue-set type validation in the queue-set selection system call in FreeRTOS-Kernel before V11.3.3 on… 6.5 Medium CVE-2026-109588 Numeric truncation of the buffer length in the MPU buffer authorization check in FreeRTOS-Kernel V11.3.0 and V11.3.1… 8.8 High CVE-2026-109587 Incorrect authorization in the Arm Cortex-R82 (Armv8-R AArch64) MPU port in FreeRTOS-Kernel V11.3.0 and V11.3.1 might… 8.8 High CVE-2026-77237 Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged… 6.5 Medium
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