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CVE-2016-8910

Published: 4 November 2016

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.

Priority

Low

Cvss 3 Severity Score

6.0

Score breakdown

Status

Package Release Status
qemu-kvm
Launchpad, Ubuntu, Debian
upstream Needs triage

precise
Released (1.0+noroms-0ubuntu14.31)
trusty Does not exist

xenial Does not exist

yakkety Does not exist

qemu
Launchpad, Ubuntu, Debian
upstream Needs triage

precise Does not exist

trusty
Released (2.0.0+dfsg-2ubuntu1.30)
xenial
Released (1:2.5+dfsg-5ubuntu10.6)
yakkety
Released (1:2.6.1+dfsg-0ubuntu5.1)
Patches:
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=c7c35916692fe010fef25ac338443d3fe40be225

Severity score breakdown

Parameter Value
Base score 6.0
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H