CVE-2018-5849 Use after free in Android for MSM, Firefox OS for MSM, QRD Android

High 7.0 Published 12 Jun 2018 Updated 16 Sep 2024

A race condition in the QTEECOM driver allows a use-after-free, potentially enabling code execution or privilege escalation on Qualcomm Android devices.

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-2018-5849?

CVE-2018-5849 is a high-severity use after free vulnerability in Google Android, published on 12 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Due to a race condition in the QTEECOM driver in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel, when more than one HLOS client loads the same TA, a Use After Free condition can occur.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2018-5849?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-5849?

No fix has been published for CVE-2018-5849 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2018-5849 being exploited?

There is no known exploitation of CVE-2018-5849 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-q3f9-g8q7-frj2.