Published: 05/07/2017 Updated: 04/11/2017

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

The grant-table feature in Xen up to and including 4.8.x has a race condition leading to a double free, which allows guest OS users to cause a denial of service (memory consumption), or possibly obtain sensitive information or gain privileges, aka XSA-218 bug 2.

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The grant-table feature in Xen through 48x has a race condition leading to a double free, which allows guest OS users to cause a denial of service (memory consumption), or possibly obtain sensitive information or gain privileges, aka XSA-218 bug 2 ...

Description of Problem A number of security issues have been identified within Citrix XenServer These issues could, if exploited, allow a malicious administrator of a guest VM to compromise the host  The issues have the identifiers: CVE-2017-10920, CVE-2017-10921 and CVE-2017-10922 (High): Grant table operations mishandle reference counts C ...

CWE-362 CWE-415 https://xenbits.xen.org/xsa/advisory-218.html http://www.securityfocus.com/bid/99411 http://www.securitytracker.com/id/1038722 https://security.gentoo.org/glsa/201708-03 https://security.gentoo.org/glsa/201710-17 http://www.debian.org/security/2017/dsa-3969 https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2017-10914

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CVE-2017-10914

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