Improper input validation in Qemu
CVE-2016-2841
The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% 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
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/03/02/8 (mailing-list)
- git.qemu.org/
- bugzilla.redhat.com/show_bug.cgi
- www.securityfocus.com/bid/84028 (vdb-entry)
- security.gentoo.org/glsa/201609-01 (vendor-advisory)
- lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html (Vendor Advisory, mailing-list)
- www.ubuntu.com/usn/USN-2974-1 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00038.html (mailing-list)
- lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html (Vendor Advisory, mailing-list)
Frequently asked questions
- What is CVE-2016-2841?
- CVE-2016-2841 is a medium-severity vulnerability in Qemu, classified under Improper Input Validation. CVSS score: 6.0/10. Published 2016-06-16.
- How severe is CVE-2016-2841?
- Medium severity. CVSS v3 base score is 6.0 out of 10.