CVE-2016-10208 Denial of service in n/a
A local attacker can cause a system crash via an out-of-bounds read in the ext4 filesystem driver by mounting a crafted image.
- 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-2016-10208?
CVE-2016-10208 is a medium-severity denial of service vulnerability in Linux kernel, published on 6 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.9.8 does not properly validate meta block groups, which allows physically proximate attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image.
Weakness: CWE-125
Which versions are affected by CVE-2016-10208?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-10208?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-10208 being exploited?
There is no known exploitation of CVE-2016-10208 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-10208, GHSA-g83r-mj94-3hcx, UBUNTU-CVE-2016-10208.