CVE-2016-7423 Memory corruption in n/a
Local guest administrators can crash the QEMU process via an out-of-bounds write in LSI SAS1068 emulation, causing denial of service.
- 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-2016-7423?
CVE-2016-7423 is a medium-severity memory corruption vulnerability in Qemu Qemu, published on 10 Oct 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.
Which versions are affected by CVE-2016-7423?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2016-7423?
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-2016-7423 being exploited?
There is no known exploitation of CVE-2016-7423 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2016-7423, GHSA-wv4v-cwg3-f8c9.