CVE-2018-9514 Use after free in Android

High 7.8 Published 2 Oct 2018 Updated 16 Sep 2024

A use-after-free flaw in the Android kernel allows local attackers to escalate privileges without user interaction or additional permissions.

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-2018-9514?

CVE-2018-9514 is a high-severity use after free vulnerability in Google Android, published on 2 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In sdcardfs_open of file.c, there is a possible Use After Free due to an unusual root cause. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-111642636 References: N/A

Weakness: CWE-416

Which versions are affected by CVE-2018-9514?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9514?

No fix has been published for CVE-2018-9514 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-2018-9514 being exploited?

There is no known exploitation of CVE-2018-9514 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-3p4g-jq2h-96pq.