Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 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 |
| Redhat | Virtualization | 3.0 |
| Debian | Debian Linux | 7.0 |
| Oracle | Linux | 6 |
Related Weaknesses (CWE)
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 ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.hThird Party Advisory
- http://www.securityfocus.com/bid/78230Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034527Third Party AdvisoryVDB 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
FAQ
What is CVE-2015-7512?
CVE-2015-7512 is a vulnerability with a CVSS score of 9.0 (CRITICAL). 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 c...
How severe is CVE-2015-7512?
CVE-2015-7512 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2015-7512?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.