CVE-2015-8558 Denial of service in n/a
Local guest administrators can cause a denial of service in QEMU via a circular isochronous transfer descriptor list, leading to infinite loops and CPU consumption.
- 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-2015-8558?
CVE-2015-8558 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 23 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.
Weakness: CWE-835
Which versions are affected by CVE-2015-8558?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2015-8558?
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-2015-8558 being exploited?
There is no known exploitation of CVE-2015-8558 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2015-8558, GHSA-84gj-c6vv-gh4q, UBUNTU-CVE-2015-8558.