CVE-2017-17381 Information

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.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2017/12/05/2 http://www.securityfocus.com/bid/102059 https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.html https://usn.ubuntu.com/3575-1/ https://www.debian.org/security/2018/dsa-4213

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5