CVE-2016-7909

4.4 MEDIUM
Published: October 05, 2016 Modified: May 06, 2026
View on NVD

Description

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/03/3
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/03/6
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93275
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Source: secalert@redhat.com
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html
Source: secalert@redhat.com
Mailing List Patch Vendor Advisory
https://security.gentoo.org/glsa/201611-11
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/03/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/03/6
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93275
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Vendor Advisory
https://security.gentoo.org/glsa/201611-11
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.4 / 10.0
EPSS (Exploit Probability)
0.1%
33th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

qemu debian