CVE-2017-17381

Publication date 6 December 2017

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
qemu 17.10 artful
Fixed 1:2.10+dfsg-0ubuntu3.5
17.04 zesty Ignored end of life
16.04 LTS xenial
Fixed 1:2.5+dfsg-5ubuntu10.22
14.04 LTS trusty
Not affected
qemu-kvm 17.10 artful Not in release
17.04 zesty Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

mdeslaur

trusty doesn't look affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
qemu

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3575-1
    • QEMU vulnerabilities
    • 20 February 2018

Other references

Access our resources on patching vulnerabilities