CVE-2017-12809

MEDIUM

QEMU < 2.9.1 - Denial of Service via Empty CDROM Device Flush

Title source: llm

Description

QEMU (aka Quick Emulator), when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by flushing an empty CDROM device drive.

References (4)

Core 4

Core References

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2017/dsa-3991

Patch, Third Party Advisory mailing-list x_refsource_mlist

https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/100451

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2017/08/21/2

Scores

CVSS v3 6.5

EPSS 0.0006

EPSS Percentile 20.0%

Attack Vector LOCAL

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

Details

CWE

CWE-476

Status published

Products (3)

debian/debian_linux 9.0

qemu/qemu 2.10.0 rc0 (3 CPE variants)

qemu/qemu < 2.9.1

Published Aug 23, 2017

Tracked Since Feb 18, 2026