Vulnerability Details CVE-2017-8903
Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 55.8%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 7.2
References
- http://www.securityfocus.com/bid/98426
- http://www.securitytracker.com/id/1038386
- https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/
- https://security.gentoo.org/glsa/201705-11
- https://xenbits.xen.org/xsa/advisory-213.html
- http://www.securityfocus.com/bid/98426
- http://www.securitytracker.com/id/1038386
- https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/
- https://security.gentoo.org/glsa/201705-11
- https://xenbits.xen.org/xsa/advisory-213.html