CVE-2018-9386 Memory corruption in Android

Medium 6.7 Published 5 Dec 2024 Updated 6 Dec 2024

A stack buffer overflow in the HTC reboot block driver allows local attackers with system privileges to escalate privileges without user interaction.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-9386?

CVE-2018-9386 is a medium-severity memory corruption vulnerability in Google Android, published on 5 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In reboot_block_command of htc reboot_block driver, there is a possible stack buffer overflow due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-787, CWE-120

Which versions are affected by CVE-2018-9386?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9386?

No fix has been published for CVE-2018-9386 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-2018-9386 being exploited?

There is no known exploitation of CVE-2018-9386 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-8jjx-px56-3jpp.