CVE-2017-8244 Race condition in Android for MSM, Firefox OS for MSM, QRD Android
A race condition in the Android kernel allows attackers to trigger a buffer overflow, potentially leading to arbitrary code execution and privilege escalation.
- 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-2017-8244?
CVE-2017-8244 is a high-severity vulnerability in Google Android, published on 12 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In core_info_read and inst_info_read in all Android releases from CAF using the Linux kernel, variable "dbg_buf", "dbg_buf->curr" and "dbg_buf->filled_size" could be modified by different threads at the same time, but they are not protected with mutex or locks. Buffer overflow is possible on race conditions. "buffer->curr" itself could also be overwritten, which means that it may point to anywhere of kernel memory (for write).
Weakness: CWE-362
Which versions are affected by CVE-2017-8244?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2017-8244?
No fix has been published for CVE-2017-8244 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-8244 being exploited?
There is no known exploitation of CVE-2017-8244 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-6ghc-48vx-2m7g.