AIKIDO-2026-39596
FreeRTOS.FreeRTOS-Kernel is vulnerable to Out-of-bounds Read
65
Medium Risk
This Affects:
FreeRTOS.FreeRTOS-KernelTL;DR
The queue-set feature does not validate the type of handles added through xQueueAddToSet. A non-conforming handle can be inserted and later accessed as an incompatible type, triggering an out-of-bounds read inside privileged kernel space. This can disclose sensitive kernel memory contents to unprivileged application code. The fix validates the handle type before it is added to a queue set.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you build with queue sets enabled on an MPU-capable port.
Background info
FreeRTOS.FreeRTOS-Kernel is vulnerable to Out-of-bounds Read in versions 7.4.0 - 11.3.0.
How to fix this
Upgrade the FreeRTOS.FreeRTOS-Kernel library to the patch version.
Links
GitHub Release
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