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Citrix XenServer Multiple Security Updates (CTX220771)

Information

Severity

Severity

Critical

Family

Family

Citrix Xenserver Local Security Checks

CVSSv2 Base

CVSSv2 Base

9.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

5 years ago

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

Common Vulnerabilities and Exposures (CVE)