CVE-2018-9385 Memory corruption in Android

High 7.8 Published Updated

A local attacker with system execution privileges can exploit an out-of-bounds write in the Android kernel to escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2018-9385?

CVE-2018-9385 is a high-severity memory corruption vulnerability in Google Android, published on 6 Nov 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In driver_override_store of bus.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74128061 References: Upstream kernel.

Weakness: CWE-787

Which versions are affected by CVE-2018-9385?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9385?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-9385 being exploited?

There is no known exploitation of CVE-2018-9385 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-9385, GHSA-x85p-qff8-qjww, UBUNTU-CVE-2018-9385.

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