CVE-2015-8785 Denial of service in n/a

Medium 6.2 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-8785, GHSA-4wfp-r3v4-54hj, UBUNTU-CVE-2015-8785.

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