Lucene search

K
citrixCitrixCTX390511
HistoryApr 05, 2022 - 10:50 a.m.

Citrix Hypervisor Security Update

2022-04-0510:50:09
support.citrix.com
45

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.2 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

13.4%

A security issue has been identified that affects Citrix Hypervisor.
This issue may allow privileged code in a guest VM to cause the host to crash or become unresponsive. The issue only affects systems with Intel CPUs where the malicious guest VM has had a physical PCI device assigned to it by the host administrator using the PCI passthrough feature.
The issue has the following identifier:

  • CVE-2022-26357
    Customers who have not assigned a physical PCI device to a guest VM are not affected by this issue. Customers who are running on systems with only AMD CPUs are also not affected by this issue.

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.2 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

13.4%