Vulnerability Description
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.4.1 |
| Xen | Xen | All versions |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- 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/2015/11/30/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/78227Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034268Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-162.htmlMitigationPatchVendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.htmlMailing ListPatchThird Party Advisory
- https://security.gentoo.org/glsa/201602-01PatchThird Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201604-03PatchThird Party AdvisoryVDB Entry
- 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-2015-7504?
CVE-2015-7504 is a vulnerability with a CVSS score of 8.8 (HIGH). Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a...
How severe is CVE-2015-7504?
CVE-2015-7504 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7504?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Xen Xen, Debian Debian Linux.