Vulnerability Description
Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
CVSS Score
4.1
MEDIUM
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 4.7.0 |
Related Weaknesses (CWE)
References
- http://support.citrix.com/article/CTX216071Third Party Advisory
- http://www.debian.org/security/2016/dsa-3663
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/92864Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036753Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-187.htmlPatchVendor Advisory
- http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_PatchVendor Advisory
- https://security.gentoo.org/glsa/201611-09
- http://support.citrix.com/article/CTX216071Third Party Advisory
- http://www.debian.org/security/2016/dsa-3663
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/92864Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036753Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-187.htmlPatchVendor Advisory
- http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_PatchVendor Advisory
FAQ
What is CVE-2016-7094?
CVE-2016-7094 is a vulnerability with a CVSS score of 4.1 (MEDIUM). Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
How severe is CVE-2016-7094?
CVE-2016-7094 has been rated MEDIUM with a CVSS base score of 4.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7094?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.