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CVE-2017-17381

Published: 6 December 2017

The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.

Notes

AuthorNote
mdeslaur
trusty doesn't look affected

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
artful
Released (1:2.10+dfsg-0ubuntu3.5)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial
Released (1:2.5+dfsg-5ubuntu10.22)
zesty Ignored
(end of life)
Patches:
upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=758ead31c7e17bf17a9ef2e0ca1c3e86ab296b43
qemu-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H