CVE-2016-7157 Denial of service in n/a
Local guest OS administrators can crash the QEMU process via specific MPTSAS_CONFIG_PACK vectors, 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-2016-7157?
CVE-2016-7157 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 10 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The (1) mptsas_config_manufacturing_1 and (2) mptsas_config_ioc_0 functions in hw/scsi/mptconfig.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via vectors involving MPTSAS_CONFIG_PACK.
Which versions are affected by CVE-2016-7157?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2016-7157?
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-2016-7157 being exploited?
There is no known exploitation of CVE-2016-7157 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2016-7157, GHSA-qg7x-w4fx-9297.