CVE Vulnerabilities

CVE-2017-12809

NULL Pointer Dereference

Published: Aug 23, 2017 | Modified: Nov 10, 2020
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Qemu Qemu * 2.9.1
Qemu Qemu 2.10.0 2.10.0
Qemu Qemu 2.10.0 2.10.0
Qemu Qemu 2.10.0 2.10.0

Potential Mitigations

References