CVE-2025-46158 Denial of service in n/a

Medium 6.2 Published 20 Jun 2025 Updated 26 Jun 2025

A local attacker can cause a denial of service in the RedoxOS kernel via the setitimer syscall due to a division by zero error.

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

What is CVE-2025-46158?

CVE-2025-46158 is a medium-severity denial of service vulnerability in n/a, published on 20 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue in redoxOS kernel before commit 5d41cd7c allows a local attacker to cause a denial of service via the `setitimer` syscall

Weakness: CWE-369

Which versions are affected by CVE-2025-46158?

It affects 1 product.

Products include Redox-Os Redox.

How do I fix CVE-2025-46158?

No fix has been published for CVE-2025-46158 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-46158 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-46158 exists.

Sources

Also known as GHSA-hpqq-hrxq-vc4x.