CVE-2026-94192CWE-416CWE-664

CVE-2026-94192

published October 20, 2026

CVSS
8.5
EPSS
0%
Percentile
3.6
In the wild
Unconfirmed
What it is

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 `txm_module_object_deallocate`. 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.

The record
Technical detail
CVSS
8.5 · NONE
CVSS v4.0
8.5 · CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00147 · 3.6th percentile
Weaknesses
CWE-416 · Use After Free; CWE-664 · Improper Control of a Resource Through its Lifetime
Published
2026-10-20T20:17Z
References (1)
EPSS history
Timeline
  • 22 OCT 03:36Z
    EPSS moved — → 0%
    epss
  • 20 OCT 15:15Z
    Module object deallocation can free a live ThreadX kernel object
    cvelistv5
  • 20 OCT 15:15Z
    Module object deallocation can free a live ThreadX kernel object
    cvelistv5