Vulnerability in Qemu
CVE-2016-8667
The rc4030_write function in hw/dma/rc4030.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via a large interval timer reload value.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% 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 2.9.0
- Debian Linux — versions 8.0
- openSUSE Leap — versions 42.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2016/10/15/4 (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/09/msg00007.html (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/93567 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.gnu.org/archive/html/qemu-devel/2016-10/msg02577.html (mailing-list, Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2016-12/msg00140.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/10/14/6 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-8667?
- CVE-2016-8667 is a medium-severity vulnerability in Qemu, classified under Divide By Zero. CVSS score: 6.0/10. Published 2016-11-04.
- How severe is CVE-2016-8667?
- Medium severity. CVSS v3 base score is 6.0 out of 10.
- Is CVE-2016-8667 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.