CVE-2026-94192: Module object deallocation can free a live ThreadX kernel object

Published Oct 20, 2026
·
Updated

A ThreadX module allocates the control blocks of its kernel objects from the Module Manager's object pool, and can ask for that memory back by address with txmmoduleobjectdeallocate. The manager released it whatever was in it, including a control block the kernel was still using. Deallocation is not deletion: the object stays on the created list for its type, a thread stays wherever it was on the ready or suspension lists and stays schedulable, and an active timer stays on the timer list. The byte pool is meanwhile free to hand those same bytes to the next allocation.

Affected Software

1 affected component
Microsoft Azure Rtos Threadx

Event History

Oct 20, 2026
CVE Published
via MITRE·03:15 PM
Data Sourced
via MITRE·03:15 PM
DescriptionWeakness
Data Sourced
via NVD·04:17 PM
DescriptionSeverityWeakness

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