Bug 970873 - (CVE-2013-2141) CVE-2013-2141 Kernel: signal: information leak in tkill/tgkill
CVE-2013-2141 Kernel: signal: information leak in tkill/tgkill
Status: CLOSED ERRATA
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=20130417,reported=2...
: Security
Depends On: 970874 970875 970876 970878 970879 970880
Blocks: 970311
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Reported: 2013-06-05 03:00 EDT by Prasad J Pandit
Modified: 2015-07-31 03:07 EDT (History)
25 users (show)

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Doc Type: Bug Fix
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Last Closed: 2014-11-21 05:37:27 EST
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Description Prasad J Pandit 2013-06-05 03:00:26 EDT
Linux kernel which supports tkill/tgkill routines is vulnerable to an
information leakage flaw. It occurs when routine tkill(2) or tgkill(2) is used
send signal to thread.

A user/program could use this flaw to leak kernel memory bytes.

Upstream fix:
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 -> https://git.kernel.org/linus/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f

Reference:
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 -> http://www.openwall.com/lists/oss-security/2013/06/02/1
Comment 1 Prasad J Pandit 2013-06-05 03:02:37 EDT
Statement:

(none)
Comment 4 errata-xmlrpc 2013-09-16 13:05:50 EDT
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2013:1264 https://rhn.redhat.com/errata/RHSA-2013-1264.html
Comment 5 errata-xmlrpc 2013-09-26 13:21:58 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2013:1292 https://rhn.redhat.com/errata/RHSA-2013-1292.html
Comment 6 errata-xmlrpc 2013-12-12 14:23:59 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:1801 https://rhn.redhat.com/errata/RHSA-2013-1801.html

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