CVE-2016-5338 Memory corruption in n/a

High 7.8 Published Updated

Local guest administrators can crash QEMU or execute arbitrary code on the host via buffer issues in the ESP SCSI controller emulation.

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-2016-5338?

CVE-2016-5338 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 14 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allow local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer.

Which versions are affected by CVE-2016-5338?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Qemu Qemu.

How do I fix CVE-2016-5338?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-5338 being exploited?

There is no known exploitation of CVE-2016-5338 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-5338, GHSA-g4j5-678q-qp7j, UBUNTU-CVE-2016-5338.

Is CVE-2016-5338 in your software?

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

Check your SBOMs for free