CVE-2017-12809

Qemu: ide: flushing of empty CDROM drives leads to NULL dereference

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Severity

Low

Red Hat Product Security

3.4

CVSS 3.0

Review impact separately from score.

Published · July 11, 2017

Updated · May 13, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.4
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

CVSS 2.0 · 2.3
AV:A/AC:M/Au:S/C:N/I:N/A:P

CWE-476 · NULL Pointer Dereference