CVE-2017-15826 Use after free in Android for MSM, Firefox OS for MSM, QRD Android

High 7.8 Published 30 Mar 2018 Updated 16 Sep 2024

A race condition in the MDSS rotator allows a double free, potentially enabling code execution or privilege escalation on Qualcomm-based 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-2017-15826?

CVE-2017-15826 is a high-severity use after free vulnerability in Google Android, published on 30 Mar 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 MDSS rotator in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-10-20, a double free vulnerability may potentially exist when two threads free the same perf structures.

Weakness: CWE-415, CWE-362

Which versions are affected by CVE-2017-15826?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2017-15826?

No fix has been published for CVE-2017-15826 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-2017-15826 being exploited?

There is no known exploitation of CVE-2017-15826 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-vvwx-mj33-w2j6.