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Citrix XenServer Multiple Security Updates (CTX220771)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Two security issues have been identified within Citrix XenServer. These issues could, if exploited, allow the administrator of an HVM guest VM to compromise the host. The following vulnerabilities have been addressed: CVE-2017-2615 (High): QEMU: oob access in cirrus bitblt copy CVE-2017-2620 (High): QEMU: cirrus_bitblt_cputovideo does not check if memory region is safe. Customers using only PV guest VMs are not affected by this vulnerability. Customers using only VMs that use the std-vga graphics emulation are not affected by this vulnerability.
Affected Software
Affected Software
XenServer 7.0 XenServer 6.5 XenServer 6.2.0 XenServer 6.0.2
Detection Method
Detection Method
Check the installed hotfixes
Solution
Solution
Apply the hotfix referenced in the advisory