CVE-2016-4441 Memory corruption in n/a
Local guest OS administrators can cause a denial of service via out-of-bounds write in QEMU's SCSI controller 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-2016-4441?
CVE-2016-4441 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 20 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
Weakness: CWE-119
Which versions are affected by CVE-2016-4441?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2016-4441?
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-2016-4441 being exploited?
There is no known exploitation of CVE-2016-4441 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2016-4441, GHSA-w579-p9rx-pmrq, UBUNTU-CVE-2016-4441.