CVE-2016-6888 Integer overflow in n/a
Local guest administrators can crash the QEMU process via an integer overflow in network packet initialization, 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-2016-6888?
CVE-2016-6888 is a medium-severity vulnerability in Debian Debian Linux, 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
Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.
Weakness: CWE-190
Which versions are affected by CVE-2016-6888?
It affects 4 products.
Products include Debian Debian Linux, Qemu Qemu, Redhat Openstack, Redhat Virtualization.
How do I fix CVE-2016-6888?
Apply the vendor's patch.
Is CVE-2016-6888 being exploited?
There is no known exploitation of CVE-2016-6888 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2016-6888, GHSA-fxc3-452x-46r5, UBUNTU-CVE-2016-6888.