Vulnerability Description
An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | - |
Related Weaknesses (CWE)
References
- http://openwall.com/lists/oss-security/2017/04/04/3Mailing ListThird Party Advisory
- http://www.debian.org/security/2017/dsa-3847
- http://www.securityfocus.com/bid/97375Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038223
- http://xenbits.xen.org/xsa/advisory-212.htmlPatchVendor Advisory
- https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt
- https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xeTechnical DescriptionThird Party Advisory
- https://www.exploit-db.com/exploits/41870/
- http://openwall.com/lists/oss-security/2017/04/04/3Mailing ListThird Party Advisory
- http://www.debian.org/security/2017/dsa-3847
- http://www.securityfocus.com/bid/97375Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038223
- http://xenbits.xen.org/xsa/advisory-212.htmlPatchVendor Advisory
- https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt
- https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xeTechnical DescriptionThird Party Advisory
FAQ
What is CVE-2017-7228?
CVE-2017-7228 is a vulnerability with a CVSS score of 8.2 (HIGH). An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, all...
How severe is CVE-2017-7228?
CVE-2017-7228 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-2017-7228?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.