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Bug 1335215 - (CVE-2016-4578) CVE-2016-4578 kernel: Information leak in events in timer.c
CVE-2016-4578 kernel: Information leak in events in timer.c
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20160503,reported=2...
: Security
Depends On: 1288993 1343113
Blocks: 1332934
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Reported: 2016-05-11 11:20 EDT by Andrej Nemec
Modified: 2018-08-28 18:05 EDT (History)
30 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A vulnerability was found in Linux kernel. There is an information leak in file sound/core/timer.c of the latest mainline Linux kernel. The stack object “r1” has a total size of 32 bytes. Its field “event” and “val” both contain 4 bytes padding. These 8 bytes padding bytes are sent to user without being initialized.
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2574 normal SHIPPED_LIVE Important: kernel security, bug fix, and enhancement update 2016-11-03 08:06:10 EDT
Red Hat Product Errata RHSA-2016:2584 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2016-11-03 08:08:49 EDT

  None (edit)
Description Andrej Nemec 2016-05-11 11:20:18 EDT 
A vulnerability was found in Linux kernel. There is an information leak in file sound/core/timer.c of the latest mainline Linux kernel. The stack object “r1” has a total size of 32 bytes. Its field “event” and “val” both contain 4 bytes padding. These 8 bytes padding bytes are sent to user without being initialized.
Comment 2 Adam Mariš 2016-05-13 04:48:44 EDT 
CVE-ID request and assignment:

http://seclists.org/oss-sec/2016/q2/315

http://seclists.org/oss-sec/2016/q2/316
Comment 4 Vladis Dronov 2016-06-06 10:24:43 EDT 
Statement:

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. This has been rated as having Low 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/.

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2. Future Linux kernel updates for the respective releases might address this issue.
Comment 6 errata-xmlrpc 2016-11-03 12:32:45 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2574 https://rhn.redhat.com/errata/RHSA-2016-2574.html
Comment 7 errata-xmlrpc 2016-11-03 15:51:14 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2584 https://rhn.redhat.com/errata/RHSA-2016-2584.html
Comment 8 errata-xmlrpc 2016-11-03 17:34:49 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2574 https://rhn.redhat.com/errata/RHSA-2016-2574.html
Comment 9 errata-xmlrpc 2016-11-03 17:50:12 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2584 https://rhn.redhat.com/errata/RHSA-2016-2584.html
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