Operating System:

[Linux]

Published:

12 January 2021

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.0101
                 Linux kernel vulnerability CVE-2017-13166
                              12 January 2021

===========================================================================

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

Product:           Linux Kernel
Publisher:         F5 Networks
Operating System:  Linux variants
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-13166  

Reference:         ESB-2018.1410
                   ESB-2018.1336
                   ESB-2018.1229

Original Bulletin: 
   https://support.f5.com/csp/article/K02825271

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

K02825271: Linux kernel vulnerability CVE-2017-13166

Original Publication Date: 12 Jan, 2021

Security Advisory Description

An elevation of privilege vulnerability in the kernel v4l2 video driver.
Product: Android. Versions: Android kernel. Android ID A-34624167. (
CVE-2017-13166)

Impact

This flaw could be exploited by an attacker to overwrite a kernel memory from
an unprivileged userspace process, leading to privilege escalation.

Security Advisory Status

F5 Product Development has assigned CPF-25234 (Traffix SDC) to this
vulnerability.

To determine if your product and version have been evaluated for this
vulnerability, refer to the Applies to (see versions) box. To determine if your
release is known to be vulnerable, the components or features that are affected
by the vulnerability, and for information about releases, point releases, or
hotfixes that address the vulnerability, refer to the following table. For more
information about security advisory versioning, refer to K51812227:
Understanding security advisory versioning.

+-------------------+------+----------+----------+----------+------+----------+
|                   |      |Versions  |Fixes     |          |CVSSv3|Vulnerable|
|Product            |Branch|known to  |introduced|Severity  |score^|component |
|                   |      |be        |in        |          |1     |or feature|
|                   |      |vulnerable|          |          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |16.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |15.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|BIG-IP (LTM, AAM,  +------+----------+----------+          |      |          |
|Advanced WAF, AFM, |14.x  |None      |Not       |          |      |          |
|Analytics, APM,    |      |          |applicable|Not       |      |          |
|ASM, DDHD, DNS,    +------+----------+----------+vulnerable|None  |None      |
|FPS, GTM, Link     |13.x  |None      |Not       |          |      |          |
|Controller, PEM,   |      |          |applicable|          |      |          |
|SSLO)              +------+----------+----------+          |      |          |
|                   |12.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |11.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |7.x   |None      |Not       |          |      |          |
|BIG-IQ Centralized |      |          |applicable|Not       |      |          |
|Management         +------+----------+----------+vulnerable|None  |None      |
|                   |6.x   |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|Traffix SDC        |5.x   |5.1.0     |5.1.0 CF19|High      |7.8   |Linux     |
|                   |      |          |          |          |      |Kernel    |
+-------------------+------+----------+----------+----------+------+----------+

^1The CVSSv3 score link takes you to a resource outside of AskF5, and it is
possible that the document may be removed without our knowledge.

Security Advisory Recommended Actions

If you are running a version listed in the Versions known to be vulnerable
column, you can eliminate this vulnerability by upgrading to a version listed
in the Fixes introduced in column. If the table lists only an older version
than what you are currently running, or does not list a non-vulnerable version,
then no upgrade candidate currently exists.

Mitigation

None

Supplemental Information

o K41942608: Overview of security advisory articles
  o K4602: Overview of the F5 security vulnerability response policy
  o K4918: Overview of the F5 critical issue hotfix policy
  o K9502: BIG-IP hotfix and point release matrix
  o K13123: Managing BIG-IP product hotfixes (11.x - 16.x)
  o K167: Downloading software and firmware from F5
  o K9970: Subscribing to email notifications regarding F5 products
  o K9957: Creating a custom RSS feed to view new and updated documents

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