Bug 1000494 - (CVE-2013-2896) CVE-2013-2896 Kernel: HID: ntrig: NULL pointer dereference
CVE-2013-2896 Kernel: HID: ntrig: NULL pointer dereference
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20130829,repor...
: Security
Depends On: 1000501 1000503 1000505 1002594
Blocks: 1000487
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Reported: 2013-08-23 10:21 EDT by Prasad J Pandit
Modified: 2016-03-04 07:44 EST (History)
19 users (show)

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Doc Type: Bug Fix
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Last Closed: 2014-06-10 04:31:49 EDT
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Description Prasad J Pandit 2013-08-23 10:21:22 EDT
Linux kernel built with the Human Interface Device bus(CONFIG_HID) along with
the N-Trig touch screen driver(CONFIG_HID_NTRIG) support is vulnerable to a
NULL pointer dereference flaw. It could occur when an HID device sends
malicious output report to the ntrig kernel driver.

A local user with physical access to the system could use this flaw to crash
the kernel resulting in DoS.
Comment 1 Prasad J Pandit 2013-08-23 10:25:52 EDT
Statement:

This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.

This issue affects the version of the kernel package as shipped with Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise MRG 2 may address this issue.

Note: user would need physical access to the system to exploit this issue.
Comment 5 Prasad J Pandit 2013-08-29 09:50:43 EDT
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1002594]
Comment 6 Fedora Update System 2013-09-12 21:05:08 EDT
kernel-3.10.11-200.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 7 Fedora Update System 2013-09-15 20:27:02 EDT
kernel-3.10.11-100.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 8 John Kacur 2013-09-30 17:03:17 EDT
commit 875b4e3763dbc941f15143dd1a18d10bb0be303b upstream
Comment 9 errata-xmlrpc 2013-10-31 12:28:31 EDT
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2013:1490 https://rhn.redhat.com/errata/RHSA-2013-1490.html

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