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Bug 1551051 - (CVE-2018-5803) CVE-2018-5803 kernel: Missing length check of payload in net/sctp/sm_make_chunk.c:_sctp_make_chunk() function allows denial of service
CVE-2018-5803 kernel: Missing length check of payload in net/sctp/sm_make_chu...
Status: NEW
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=20180209,repor...
: Security
Depends On: 1551909 1551052 1551053 1551905 1551906 1551907 1551908 1552009
Blocks: 1551057
  Show dependency treegraph
 
Reported: 2018-03-02 11:17 EST by Adam Mariš
Modified: 2018-10-30 04:58 EDT (History)
48 users (show)

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Doc Text:
An error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP, packet length can be exploited by a malicious local user to cause a kernel crash and a DoS.
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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-2018:1854 None None None 2018-06-19 00:48 EDT
Red Hat Product Errata RHSA-2018:2948 None None None 2018-10-30 04:58 EDT
Red Hat Product Errata RHSA-2018:3083 None None None 2018-10-30 03:31 EDT
Red Hat Product Errata RHSA-2018:3096 None None None 2018-10-30 03:37 EDT

  None (edit)
Description Adam Mariš 2018-03-02 11:17:10 EST
An error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length can be exploited by a malicious local user to cause a kernel crash and a DoS.

References:

https://packetstormsecurity.com/files/146620/secunia-sctpmakechunkdos.txt

https://marc.info/?t=151818093200004&r=1&w=2

https://marc.info/?t=151818682600001&r=1&w=2

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=07f2c7ab6f8d0a7e7c5764c4e6cc9c52951b9d9c
Comment 1 Adam Mariš 2018-03-02 11:18:32 EST
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1551053]
Comment 10 errata-xmlrpc 2018-06-19 00:48:21 EDT
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2018:1854 https://access.redhat.com/errata/RHSA-2018:1854
Comment 11 errata-xmlrpc 2018-10-30 03:31:26 EDT
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3083 https://access.redhat.com/errata/RHSA-2018:3083
Comment 12 errata-xmlrpc 2018-10-30 03:37:35 EDT
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3096 https://access.redhat.com/errata/RHSA-2018:3096
Comment 13 errata-xmlrpc 2018-10-30 04:58:17 EDT
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2948 https://access.redhat.com/errata/RHSA-2018:2948

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