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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.3483
      IBM MQ Appliance is affected by multiple kernel vulnerabilities
                               15 July 2022

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM MQ
Publisher:         IBM
Operating System:  Network Appliance
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-19527 CVE-2018-20169 CVE-2018-19985
                   CVE-2017-18595  

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6602561

Comment: CVSS (Max):  6.2 CVE-2018-20169 (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
         CVSS Source: IBM
         Calculator:  https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

- --------------------------BEGIN INCLUDED TEXT--------------------

IBM MQ Appliance is affected by multiple kernel vulnerabilities

Document Information

Document number    : 6602561
Modified date      : 12 July 2022
Product            : IBM MQ Appliance
Software version   : 9.2.0.0;9.2.0.1;9.2.0.2;9.2.0.3;9.2.0.4;9.2.0.5;9.2.1;9.2.2;9.2.3;9.2.4;9.2.5
Operating system(s): Appliance

Summary

IBM MQ Appliance has resolved multiple kernel vulnerabilities.

Vulnerability Details

CVEID: CVE-2017-18595
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a
double-free in the allocate_trace_buffer function of kernel/trace/trace.c.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
169655 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2018-19985
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by an
out-of-bounds read in the hso_get_config_data function in drivers/net/usb/
hso.c. A local attacker could exploit this vulnerability to cause the system to
crash.
CVSS Base score: 4.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
160204 for the current score.
CVSS Vector: (CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2018-20169
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by
improper size validation by the __usb_get_extra_descriptor function in drivers/
usb/core/usb.c in the USB subsystem. By sending a specially-crafted request, a
local attacker could exploit this vulnerability to cause a denial of service
condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
154367 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2019-19527
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a
use-after-free condition in drivers/hid/usbhid/hiddev.c. By connecting a
specially-crafted USB device, an attacker could exploit this vulnerability to
cause a kernel panic.
CVSS Base score: 4.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
172524 for the current score.
CVSS Vector: (CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

+--------------------+----------+
|Affected Product(s) |Version(s)|
+--------------------+----------+
|IBM MQ Appliance    |9.2 CD    |
+--------------------+----------+
|IBM MQ Appliance    |9.2 LTS   |
+--------------------+----------+

Remediation/Fixes

This vulnerability is addressed under IT40779
IBM strongly recommends addressing the vulnerability now.

IBM MQ Appliance version 9.2 LTS
Apply 9.2.0.6 fixpack , or later firmware.

IBM MQ Appliance version 9.2 CD
Upgrade to 9.2.5 CD CSU01 , or later firmware.

Workarounds and Mitigations

None

Change History

07 Jul 2022: Initial Publication

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