CVE-2017-5579 Denial of service in n/a
Local privileged guest users can crash the QEMU host process via memory exhaustion caused by repeated serial device unplug operations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5579?
CVE-2017-5579 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 15 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.
Weakness: CWE-401
Which versions are affected by CVE-2017-5579?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2017-5579?
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-2017-5579 being exploited?
There is no known exploitation of CVE-2017-5579 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2017-5579, DEBIAN-CVE-2017-5579, GHSA-m832-5xwv-5c23, UBUNTU-CVE-2017-5579.