CVE-2016-9102 Denial of service in n/a
Local guest administrators can crash the QEMU process via memory exhaustion in the 9pfs xattrcreate handler, 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-2016-9102?
CVE-2016-9102 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 9 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.
Weakness: CWE-772
Which versions are affected by CVE-2016-9102?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2016-9102?
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-2016-9102 being exploited?
There is no known exploitation of CVE-2016-9102 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2016-9102, DEBIAN-CVE-2016-9102, GHSA-w5mv-8mc9-wcpv, UBUNTU-CVE-2016-9102.