First published: Mon Oct 24 2016(Updated: )
The rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) by leveraging failure to limit the ring descriptor count.
Credit: secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
QEMU KVM | <=2.7.1 | |
Debian Debian Linux | =8.0 | |
openSUSE | =42.2 | |
redhat openstack | =6.0 | |
redhat openstack | =7.0 | |
redhat openstack | =8 | |
redhat openstack | =9 | |
redhat openstack | =10 | |
redhat openstack | =11 | |
Red Hat Enterprise Virtualization | =4.0 | |
Red Hat Enterprise Linux | =7.0 |
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CVE-2016-8910 has been classified as a denial of service vulnerability that can lead to an infinite loop and high CPU consumption.
To fix CVE-2016-8910, update QEMU to a version above 2.7.1 or apply patches provided by your Linux distribution.
CVE-2016-8910 affects QEMU versions up to 2.7.1 and specific versions of Debian, openSUSE, and Red Hat OpenStack.
The potential consequences of CVE-2016-8910 include service disruption for guest operating systems due to high CPU usage.
Local guest OS administrators can exploit CVE-2016-8910 by leveraging the failure to limit the ring descriptor count.