Vulnerability in Qemu
CVE-2016-9776
QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.9% 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 2.8.0
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.debian.org/debian-lts-announce/2018/09/msg00007.html (mailing-list, Third Party Advisory)
- security.gentoo.org/glsa/201701-49 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/12/02/3 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/12/02/8 (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/94638 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html (Vendor Advisory, mailing-list, Patch)
Frequently asked questions
- What is CVE-2016-9776?
- CVE-2016-9776 is a medium-severity vulnerability in Qemu, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2016-12-29.
- How severe is CVE-2016-9776?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-9776 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.