CVE-2015-7512

CriticalCVSS 9.0/10Last modified Jun 17, 2026

Description

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

Metrics

CVSS 3.1 9.0/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-120

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f
http://rhn.redhat.com/errata/RHSA-2015-2694.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2695.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2696.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3469Third Party Advisory
http://www.debian.org/security/2016/dsa-3470Third Party Advisory
http://www.debian.org/security/2016/dsa-3471Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/11/30/3Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlThird Party Advisory
http://www.securityfocus.com/bid/78230Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034527Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201602-01Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f
http://rhn.redhat.com/errata/RHSA-2015-2694.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2695.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2696.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3469Third Party Advisory
http://www.debian.org/security/2016/dsa-3470Third Party Advisory
http://www.debian.org/security/2016/dsa-3471Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/11/30/3Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlThird Party Advisory
http://www.securityfocus.com/bid/78230Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034527Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201602-01Third Party Advisory

Timeline

Published: Jan 8, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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