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Citrix XenServer Multiple Security Updates (CTX219378)

Information

Severity

Severity

Medium

Family

Family

Citrix Xenserver Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.9

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

5 years ago

Summary

Security vulnerabilities have been identified in Citrix XenServer that may allow malicious code running within a guest VM to read a small part of hypervisor memory and allow privileged-mode code running within a guest VM to hang or crash the host. The following vulnerabilities have been addressed: CVE-2016-9932 (Low): x86 CMPXCHG8B emulation fails to ignore operand size override CVE-2016-10024 (Medium): x86 PV guests may be able to mask interrupts CVE-2016-10025 (Low): missing NULL pointer check in VMFUNC emulation

Affected Software

Affected Software

These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServer 7.0.

Detection Method

Detection Method

Check the installed hotfixes

Solution

Solution

Apply the hotfix referenced in the advisory

Common Vulnerabilities and Exposures (CVE)