Citrix XenServer Multiple Security Updates (CTX227185)

CVSS Base Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

Summary:
A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host: - CVE-2017-14316: (High) Missing NUMA node parameter verification. - CVE-2017-14318: (Medium) Missing check for grant table. - CVE-2017-14319: (High) insufficient grant unmapping checks for x86 PV guests.

Affected Versions:
XenServer versions 7.2, 7.1, 7.0, 6.5, 6.2.0, 6.0.2.

Recommendations:
Apply the hotfix referenced in the advisory.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2017-14316
https://nvd.nist.gov/vuln/detail/CVE-2017-14318
https://nvd.nist.gov/vuln/detail/CVE-2017-14319

CVE Analysis

https://www.mageni.net/cve/CVE-2017-14316
https://www.mageni.net/cve/CVE-2017-14318
https://www.mageni.net/cve/CVE-2017-14319

References:

https://support.citrix.com/article/CTX227185