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CVE-2016-7421

Published: 16 September 2016

The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.

Priority

Low

CVSS 3 base score: 4.4

Status

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

precise Not vulnerable
(code not present)
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=d251157ac1928191af851d199a9ff255d330bec9