CVE-2017-5973 Denial of service in n/a
A local privileged guest user can crash the QEMU process via an infinite loop in the xhci_kick_epctx function, causing denial of service.
- 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-2017-5973?
CVE-2017-5973 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 27 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.
Weakness: CWE-835
Which versions are affected by CVE-2017-5973?
It affects 4 products.
Products include Debian Debian Linux, Qemu Qemu, Redhat Openstack, Redhat Virtualization.
How do I fix CVE-2017-5973?
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-2017-5973 being exploited?
There is no known exploitation of CVE-2017-5973 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-5973, GHSA-v347-c52r-65xm, UBUNTU-CVE-2017-5973.