CVE-2017-18030 Denial of service in n/a

Medium 4.4 Published Updated

Local privileged guest users can crash the QEMU process via out-of-bounds array access in the Cirrus VGA emulation.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2017-18030?

CVE-2017-18030 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 23 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.

Weakness: CWE-125

Which versions are affected by CVE-2017-18030?

It affects 2 products.

Products include Debian Debian Linux, Qemu Qemu.

How do I fix CVE-2017-18030?

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-2017-18030 being exploited?

There is no known exploitation of CVE-2017-18030 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-18030, GHSA-8v4h-p9x9-5mm5.

Is CVE-2017-18030 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free