CVE-2018-11840 Use after free in Android for MSM, Firefox OS for MSM, QRD Android
A double-free vulnerability in the WLAN driver allows attackers to potentially execute arbitrary code or escalate privileges 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-2018-11840?
CVE-2018-11840 is a high-severity use after free vulnerability in Google Android, published on 18 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, while processing the WLAN driver command ioctl a temporary buffer used to construct the reply message may be freed twice.
Weakness: CWE-415
Which versions are affected by CVE-2018-11840?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2018-11840?
No fix has been published for CVE-2018-11840 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-2018-11840 being exploited?
There is no known exploitation of CVE-2018-11840 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-fhpc-4q7r-qhmx.