CVE-2017-9722 Memory corruption in Android for MSM, Firefox OS for MSM, QRD Android
A buffer overflow in the HDMI EDID update function allows local attackers to execute arbitrary code or escalate privileges in Qualcomm Android kernels.
- 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-2017-9722?
CVE-2017-9722 is a high-severity memory corruption vulnerability in Google Android, published on 5 Dec 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, when updating custom EDID (hdmi_tx_sysfs_wta_edid), if edid_size, which is controlled by userspace, is too large, a buffer overflow occurs.
Weakness: CWE-119
Which versions are affected by CVE-2017-9722?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2017-9722?
No fix has been published for CVE-2017-9722 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-9722 being exploited?
There is no known exploitation of CVE-2017-9722 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-wgj7-925j-3jf6.