[Secure-testing-team] Bug#873849: qemu: CVE-2017-12809

[Salvatore Bonaccorso]

Source: qemu
Version: 1:2.8+dfsg-6
Severity: important
Tags: patch upstream security

Hi,

the following vulnerability was published for qemu.

CVE-2017-12809[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-12809
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12809
[1] https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.html

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore