CVE-2017-15842 Use after free in Android for MSM, Firefox OS for MSM, QRD Android
A use-after-free vulnerability in the Qualcomm Linux kernel allows attackers to execute arbitrary code or escalate privileges via improper mutex handling.
- 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-2017-15842?
CVE-2017-15842 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
Buffer might get used after it gets freed due to unlocking the mutex before freeing the buffer in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.
Weakness: CWE-416
Which versions are affected by CVE-2017-15842?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2017-15842?
No fix has been published for CVE-2017-15842 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-2017-15842 being exploited?
There is no known exploitation of CVE-2017-15842 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-c2rx-4pwx-535h.