CVE-2018-9515 Memory corruption in Android

High 7.8 Published 2 Oct 2018 Updated 16 Sep 2024

Local attackers can exploit improper locking in the Android kernel to achieve privilege escalation without user interaction.

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-2018-9515?

CVE-2018-9515 is a high-severity memory corruption 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_create and sdcardfs_mkdir of inode.c, there is a possible memory corruption due to improper locking. 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-111641492 References: N/A

Weakness: CWE-119

Which versions are affected by CVE-2018-9515?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9515?

No fix has been published for CVE-2018-9515 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-2018-9515 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-9515 exists.

Public exploit code: 1 Exploit-DB entry.

All Google Android vulnerabilities

Sources

Also known as GHSA-f5qv-9mc6-rv7c.