CVE-2017-9374 Denial of service in n/a
Local privileged users can cause a denial of service via memory consumption by repeatedly hot-unplugging USB EHCI devices in QEMU.
- 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-2017-9374?
CVE-2017-9374 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 16 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory leak in QEMU (aka Quick Emulator), when built with USB EHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the device.
Weakness: CWE-401
Which versions are affected by CVE-2017-9374?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2017-9374?
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-2017-9374 being exploited?
There is no known exploitation of CVE-2017-9374 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2017-9374, GHSA-5xgr-qhgc-xhwh, UBUNTU-CVE-2017-9374.