Vulnerability Description
Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.4.0 |
Related Weaknesses (CWE)
References
- http://support.citrix.com/article/CTX216071Third Party Advisory
- http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
- http://www.debian.org/security/2016/dsa-3663
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/92863Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036754Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-188.htmlPatchVendor Advisory
- http://xenbits.xen.org/xsa/xsa188.patchPatch
- http://support.citrix.com/article/CTX216071Third Party Advisory
- http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
- http://www.debian.org/security/2016/dsa-3663
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htm
- http://www.securityfocus.com/bid/92863Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036754Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-188.htmlPatchVendor Advisory
FAQ
What is CVE-2016-7154?
CVE-2016-7154 is a vulnerability with a CVSS score of 6.7 (MEDIUM). Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain se...
How severe is CVE-2016-7154?
CVE-2016-7154 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7154?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.