VulnerabilityModified
CVE-2015-7512
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.
CRITICAL 9.0EPSS 7.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.0 CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 7.73% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- qemu/qemu · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux workstation · redhat/openstack · redhat/virtualization · debian/debian linux · oracle/linux
- Source
- secalert@redhat.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.