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CVE-2016-7909

MEDIUM

4.4

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.

CVE Details

CVSS v3.1 Score4.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published10/5/2016

Last Modified5/6/2026

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxqemu:qemu

Weaknesses (CWE)

CWE-835

References

http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2016/10/03/3(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2016/10/03/6(secalert@redhat.com)

http://www.securityfocus.com/bid/93275(secalert@redhat.com)

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html(secalert@redhat.com)

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html(secalert@redhat.com)

https://security.gentoo.org/glsa/201611-11(secalert@redhat.com)

http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2016/10/03/3(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2016/10/03/6(af854a3a-2127-422b-91ae-364da2661108)

http://www.securityfocus.com/bid/93275(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/201611-11(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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