CVE-2016-4568 Memory corruption in n/a
Local attackers can trigger kernel memory corruption via crafted ioctl calls, causing denial of service or potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4568?
CVE-2016-4568 is a high-severity memory corruption vulnerability in Linux kernel, published on 23 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drivers/media/v4l2-core/videobuf2-v4l2.c in the Linux kernel before 4.5.3 allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a crafted number of planes in a VIDIOC_DQBUF ioctl call.
Weakness: CWE-119
Which versions are affected by CVE-2016-4568?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-4568?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-4568 being exploited?
There is no known exploitation of CVE-2016-4568 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-4568, GHSA-ccvh-gh39-vmpx, UBUNTU-CVE-2016-4568.