CVE-2018-21086 Race condition in n/a

High 8.1 Published 8 Apr 2020 Updated 5 Aug 2024

A race condition leading to a double free in Samsung mobile OS allows attackers to execute arbitrary code or escalate privileges.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-21086?

CVE-2018-21086 is a high-severity vulnerability in Google Android, published on 8 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Samsung mobile devices with L(5.x), M(6.0), and N(7.x) software. There is a race condition with a resultant double free in vnswap_init_backing_storage. The Samsung ID is SVE-2017-11177 (February 2018).

Weakness: CWE-415, CWE-362

Which versions are affected by CVE-2018-21086?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-21086?

No fix has been published for CVE-2018-21086 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-21086 being exploited?

There is no known exploitation of CVE-2018-21086 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-p853-fprg-5r46.