CVE-2017-8112 Denial of service in n/a

Medium 6.5 Published Updated

Local privileged guest users can cause a denial of service in QEMU via an infinite loop triggered by the message ring page count.

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-2017-8112?

CVE-2017-8112 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 2 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and CPU consumption) via the message ring page count.

Weakness: CWE-835

Which versions are affected by CVE-2017-8112?

It affects 2 products.

Products include Debian Debian Linux, Qemu Qemu.

How do I fix CVE-2017-8112?

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-2017-8112 being exploited?

There is no known exploitation of CVE-2017-8112 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-8112, GHSA-q6cx-7x3w-57hw, UBUNTU-CVE-2017-8112.

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