CVE-2016-8440 Memory corruption in Android
A buffer overflow in the Android kernel's SMMU system call allows attackers to overwrite hypervisor memory, potentially leading to code execution or privilege escalation.
- 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-2016-8440?
CVE-2016-8440 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 SMMU system call. Improper input validation in ADSP SID2CB system call may result in hypervisor memory overwrite. Product: Android. Versions: Kernel 3.18. Android ID: A-31625306. References: QC-CR#1036747.
Weakness: CWE-119
Which versions are affected by CVE-2016-8440?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-8440?
No fix has been published for CVE-2016-8440 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-2016-8440 being exploited?
There is no known exploitation of CVE-2016-8440 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-gxfv-4j87-2g8p.