CVE-2018-9399 Memory corruption in Android

High 7.8 Published 4 Dec 2024 Updated 5 Dec 2024

Out-of-bounds writes in the Android wmt_dbg driver allow local attackers with system privileges 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: None listed

What is CVE-2018-9399?

CVE-2018-9399 is a high-severity memory corruption vulnerability in Google Android, published on 4 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In /proc/driver/wmt_dbg driver, there are several possible out of bounds writes. These could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-787

Which versions are affected by CVE-2018-9399?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9399?

No fix has been published for CVE-2018-9399 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-2018-9399 being exploited?

There is no known exploitation of CVE-2018-9399 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-xhfh-rfp8-mr47.