CVE-2015-8785 Denial of service in n/a
Local attackers can cause a denial of service via an infinite loop in the Linux kernel's FUSE implementation using a crafted writev system call.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-8785?
CVE-2015-8785 is a medium-severity denial of service vulnerability in Linux kernel, published on 8 Feb 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The fuse_fill_write_pages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service (infinite loop) via a writev system call that triggers a zero length for the first segment of an iov.
Weakness: CWE-835
Which versions are affected by CVE-2015-8785?
It affects 2 products.
Products include Linux kernel, Suse Linux Enterprise Real Time Extension.
How do I fix CVE-2015-8785?
Upgrade to a fixed version.
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-2015-8785 being exploited?
There is no known exploitation of CVE-2015-8785 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2015-8785, GHSA-4wfp-r3v4-54hj, UBUNTU-CVE-2015-8785.