CVE-2016-8660 Denial of service in n/a

Medium 5.5 Published Updated

Local attackers can cause a system hang and denial of service in the Linux kernel XFS subsystem via a page lock order bug.

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-2016-8660?

CVE-2016-8660 is a medium-severity denial of service vulnerability in Linux kernel, published on 16 Oct 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The XFS subsystem in the Linux kernel through 4.8.2 allows local users to cause a denial of service (fdatasync failure and system hang) by using the vfs syscall group in the trinity program, related to a "page lock order bug in the XFS seek hole/data implementation."

Weakness: CWE-19

Which versions are affected by CVE-2016-8660?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-8660?

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-2016-8660 being exploited?

There is no known exploitation of CVE-2016-8660 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-8660, GHSA-xh6w-jrm8-9v99, ROOT-OS-DEBIAN-12-CVE-2016-8660, ROOT-OS-DEBIAN-13-CVE-2016-8660, ROOT-OS-UBUNTU-2204-CVE-2016-8660, ROOT-OS-UBUNTU-2404-CVE-2016-8660 and 1 more.

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