Vulnerability Details CVE-2017-10916
The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 59.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://www.debian.org/security/2017/dsa-3969
- http://www.securityfocus.com/bid/99167
- http://www.securitytracker.com/id/1038730
- https://security.gentoo.org/glsa/201708-03
- https://xenbits.xen.org/xsa/advisory-220.html
- http://www.debian.org/security/2017/dsa-3969
- http://www.securityfocus.com/bid/99167
- http://www.securitytracker.com/id/1038730
- https://security.gentoo.org/glsa/201708-03
- https://xenbits.xen.org/xsa/advisory-220.html
Products affected by CVE-2017-10916
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cpe:2.3:o:xen:xen:4.5.0
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cpe:2.3:o:xen:xen:4.5.1
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cpe:2.3:o:xen:xen:4.5.2
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cpe:2.3:o:xen:xen:4.5.3
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cpe:2.3:o:xen:xen:4.5.5
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cpe:2.3:o:xen:xen:4.6.0
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cpe:2.3:o:xen:xen:4.6.1
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cpe:2.3:o:xen:xen:4.6.2
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cpe:2.3:o:xen:xen:4.6.4
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cpe:2.3:o:xen:xen:4.6.5
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cpe:2.3:o:xen:xen:4.7.1
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cpe:2.3:o:xen:xen:4.8.0
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cpe:2.3:o:xen:xen:4.8.1