Vulnerability Description
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | - |
| Novell | Suse Linux Enterprise Real Time Extension | 12 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3434
- http://www.debian.org/security/2016/dsa-3471
- http://www.debian.org/security/2016/dsa-3519
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/79592Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034479Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-155.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3434
FAQ
What is CVE-2015-8550?
CVE-2015-8550 is a vulnerability with a CVSS score of 8.2 (HIGH). Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend ...
How severe is CVE-2015-8550?
CVE-2015-8550 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8550?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Novell Suse Linux Enterprise Real Time Extension.