CVE-2016-8439 Memory corruption in Android

What is CVE-2016-8439?

CVE-2016-8439 is a critical memory corruption vulnerability in Linux kernel, published on 12 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Possible buffer overflow in trust zone access control API. Buffer overflow may occur due to lack of buffer size checking. Product: Android. Versions: Kernel 3.18. Android ID: A-31625204. References: QC-CR#1027804.

Weakness: CWE-119

Which versions are affected by CVE-2016-8439?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-8439?

No fix has been published for CVE-2016-8439 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-2016-8439 being exploited?

There is no known exploitation of CVE-2016-8439 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7342-qgvc-m343.