CVE-2015-7512

CRITICAL

QEMU - Buffer Overflow

Title source: llm
STIX 2.1

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.

References (12)

Core 12
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-2694.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/11/30/3
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3469
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3470
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/78230
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1034527
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3471
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201602-01
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-2696.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-2695.html

Scores

CVSS v3 9.0
EPSS 0.2106
EPSS Percentile 95.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-120
Status published
Products (11)
debian/debian_linux 7.0
debian/debian_linux 8.0
oracle/linux 6
qemu/qemu 2.5.0 rc0 (3 CPE variants)
qemu/qemu < 2.4.1
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_eus 6.7
redhat/enterprise_linux_server 6.0
redhat/enterprise_linux_workstation 6.0
redhat/openstack 5.0
... and 1 more
Published Jan 08, 2016
Tracked Since Feb 18, 2026