Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.
References
Link | Resource |
---|---|
https://support.citrix.com/article/CTX218775 | Patch Third Party Advisory |
http://xenbits.xen.org/xsa/advisory-192.html | Patch Vendor Advisory |
http://www.securitytracker.com/id/1037341 | Third Party Advisory VDB Entry |
http://www.securityfocus.com/bid/94470 | Third Party Advisory VDB Entry |
https://security.gentoo.org/glsa/201612-56 |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Information
Published : 2017-01-23 13:59
Updated : 2017-06-30 18:30
NVD link : CVE-2016-9382
Mitre link : CVE-2016-9382
JSON object : View
CWE
CWE-264
Permissions, Privileges, and Access Controls
Products Affected
citrix
- xenserver
xen
- xen