Vulnerability Description
Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 4.6.1 |
Related Weaknesses (CWE)
References
- http://support.citrix.com/article/CTX203879Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/79579
- http://www.securitytracker.com/id/1034481
- http://xenbits.xen.org/xsa/advisory-164.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
- http://support.citrix.com/article/CTX203879Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/79579
- http://www.securitytracker.com/id/1034481
- http://xenbits.xen.org/xsa/advisory-164.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
FAQ
What is CVE-2015-8554?
CVE-2015-8554 is a vulnerability with a CVSS score of 7.5 (HIGH). Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a sy...
How severe is CVE-2015-8554?
CVE-2015-8554 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8554?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.