CVE-2025-55078 Incomplete validation of kernel object pointers in system calls

Medium 5.7 Published 14 Oct 2025 Updated 14 Oct 2025

An attacker can cause a denial of service in Eclipse ThreadX by providing invalid pointers to system calls that lack proper memory region validation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-55078?

CVE-2025-55078 is a medium-severity vulnerability in Eclipse Foundation ThreadX, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Eclipse ThreadX before version 6.4.3, an attacker can cause a denial of service (crash) by providing a pointer to a reserved or unmapped memory region. Vulnerable system calls had a check of pointers, but that check wasn't verifying whether the pointer is outside the module memory region.

Weakness: CWE-233

Which versions are affected by CVE-2025-55078?

It affects 1 product.

Products include Eclipse Threadx.

How do I fix CVE-2025-55078?

No fix has been published for CVE-2025-55078 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-55078 being exploited?

There is no known exploitation of CVE-2025-55078 in the wild and no public exploit code.

Sources

Also known as GHSA-wcfg-5jpf-hhxq.