NULL pointer dereference in Qemu
CVE-2017-12809
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 2.10.0
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- www.debian.org/security/2017/dsa-3991 (vendor-advisory, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2017-08/msg01850.html (mailing-list, Patch, Third Party Advisory)
- www.securityfocus.com/bid/100451 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2017/08/21/2 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12809?
- CVE-2017-12809 is a medium-severity vulnerability in Qemu, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2017-08-23.
- How severe is CVE-2017-12809?
- Medium severity. CVSS v3 base score is 6.5 out of 10.