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Bug 1147522 - (CVE-2014-7145) CVE-2014-7145 Kernel: cifs: NULL pointer dereference in SMB2_tcon
CVE-2014-7145 Kernel: cifs: NULL pointer dereference in SMB2_tcon
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=20140817,repor...
: Security
Depends On: 1147528 1147529 1147531
Blocks: 1143890
  Show dependency treegraph
 
Reported: 2014-09-29 09:07 EDT by Prasad J Pandit
Modified: 2015-07-31 03:27 EDT (History)
30 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A NULL pointer dereference flaw was found in the way the Linux kernel's Common Internet File System (CIFS) implementation handled mounting of file system shares. A remote attacker could use this flaw to crash a client system that would mount a file system share from a malicious server.
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Clone Of:
Environment:
Last Closed: 2015-01-28 15:12:59 EST
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CRM:
Verified Versions:
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:0102 normal SHIPPED_LIVE Important: kernel security and bug fix update 2015-01-28 19:02:51 EST

  None (edit)
Description Prasad J Pandit 2014-09-29 09:07:03 EDT
Linux kernel built with the Network Filesystem CIFS support(CONFIG_CIFS) along
with the support for SMB2 and SMB3 network file systems(CONFIG_CIFS_SMB2) is
vulnerable to a NULL pointer dereference flaw. It could occur while mounting
the remote file system share.

A remote attacker could use this flaw to crash the client systems resulting in DoS.

Upstream fix:
-------------
  -> https://git.kernel.org/linus/18f39e7be0121317550d03e267e3ebd4dbfbb3ce
Comment 1 Prasad J Pandit 2014-09-29 09:13:45 EDT
Statement:

This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG 2.

This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 7. Future kernel updates for Red Hat Enterprise Linux 7 may address this issue.
Comment 3 Prasad J Pandit 2014-09-29 09:17:08 EDT
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1147531]
Comment 4 errata-xmlrpc 2015-01-28 14:07:06 EST
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:0102 https://rhn.redhat.com/errata/RHSA-2015-0102.html

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