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Bug 1113409 - (CVE-2014-4653) CVE-2014-4653 Kernel: ALSA: control: do not access controls outside of protected regions
CVE-2014-4653 Kernel: ALSA: control: do not access controls outside of protec...
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20140618,repor...
: Security
Depends On: 1117328 1117329 1117330 1117331 1117332
Blocks: 1112943
  Show dependency tree / graph
 
Reported: 2014-06-26 03:10 EDT by Prasad J Pandit
Modified: 2015-07-31 03:23 EDT (History)
33 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A use-after-free flaw was found in the way the Linux kernel's Advanced Linux Sound Architecture (ALSA) implementation handled user controls. A local, privileged user could use this flaw to crash the system.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2014-10-28 18:15:58 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2014:1083 normal SHIPPED_LIVE Important: kernel-rt security and bug fix update 2014-08-20 10:51:31 EDT
Red Hat Product Errata RHSA-2014:1392 normal SHIPPED_LIVE Important: kernel security, bug fix, and enhancement update 2014-10-13 21:28:44 EDT
Red Hat Product Errata RHSA-2014:1724 normal SHIPPED_LIVE Important: kernel security and bug fix update 2014-10-28 21:33:03 EDT

  None (edit)
Description Prasad J Pandit 2014-06-26 03:10:35 EDT 
Linux kernel built with the Advanced Linux Sound Architecture(ALSA) sound
system support(CONFIG_SND) is vulnerable to a use after free flaw. It
could occur when accessing card->controls list memory.

A user/application could use this flaw to crash the system kernel resulting in
DoS.

Upstream fix:
-------------
  -> https://git.kernel.org/linus/fd9f26e4eca5d08a27d12c0933fceef76ed9663d

Reference:
----------
  -> http://www.openwall.com/lists/oss-security/2014/06/26/6
Comment 1 Prasad J Pandit 2014-07-08 09:26:31 EDT 
Statement:

This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for the respective releases may address this issue.

Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Comment 4 Martin Prpič 2014-08-18 07:18:01 EDT 
IssueDescription:

A use-after-free flaw was found in the way the Linux kernel's Advanced Linux Sound Architecture (ALSA) implementation handled user controls. A local, privileged user could use this flaw to crash the system.
Comment 5 errata-xmlrpc 2014-08-20 06:51:49 EDT 
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2014:1083 https://rhn.redhat.com/errata/RHSA-2014-1083.html
Comment 6 errata-xmlrpc 2014-10-14 02:15:54 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2014:1392 https://rhn.redhat.com/errata/RHSA-2014-1392.html
Comment 8 errata-xmlrpc 2014-10-28 17:33:23 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2014:1724 https://rhn.redhat.com/errata/RHSA-2014-1724.html
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