CVE-2022-42455 Privilege escalation in n/a

High 7.8 Published 15 Feb 2023 Updated 19 Mar 2025

Local attackers can exploit unprivileged IOCTL handlers in the ASUS EC Tool driver to gain elevated privileges via raw port and MSR access.

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-2022-42455?

CVE-2022-42455 is a high-severity vulnerability in n/a, published on 15 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ASUS EC Tool driver (aka d.sys) 1beb15c90dcf7a5234ed077833a0a3e900969b60be1d04fcebce0a9f8994bdbb, as signed by ASUS and shipped with multiple ASUS software products, contains multiple IOCTL handlers that provide raw read and write access to port I/O and MSRs via unprivileged IOCTL calls. Local users can gain privileges.

Weakness: CWE-269

Which versions are affected by CVE-2022-42455?

It affects 1 product.

Products include Asus Armoury Crate.

How do I fix CVE-2022-42455?

No fix has been published for CVE-2022-42455 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-42455 being exploited?

There is no known exploitation of CVE-2022-42455 in the wild and no public exploit code.

Sources

Also known as GHSA-pm9g-2hv5-xfp2.