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Bug 1558066 - (CVE-2017-18232) CVE-2017-18232 kernel: Mishandling mutex within libsas allowing local Denial of Service
CVE-2017-18232 kernel: Mishandling mutex within libsas allowing local Denial ...
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=20171208,reported=2...
: Security
Depends On: 1558068 1560185 1560187 1558067 1560186 1560188 1560189
Blocks: 1558070
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Reported: 2018-03-19 10:36 EDT by Adam Mariš
Modified: 2018-10-30 03:38 EDT (History)
45 users (show)

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Doc Text:
The Serial Attached SCSI (SAS) implementation in the Linux kernel mishandles a mutex within libsas. This allows local users to cause a denial of service (deadlock) by triggering certain error-handling code.
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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-2018:3083 None None None 2018-10-30 03:32 EDT
Red Hat Product Errata RHSA-2018:3096 None None None 2018-10-30 03:38 EDT

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Description Adam Mariš 2018-03-19 10:36:02 EDT 
The Serial Attached SCSI (SAS) implementation in the Linux kernel mishandles a mutex within libsas, which allows local users to cause a denial of service (deadlock) by triggering certain error-handling code.

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0558f33c06bb910e2879e355192227a8e8f0219d
Comment 1 Adam Mariš 2018-03-19 10:36:37 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1558067]
Comment 6 Fedora Update System 2018-03-27 15:29:27 EDT 
kernel-4.15.12-201.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.
Comment 7 errata-xmlrpc 2018-10-30 03:32:04 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 8 errata-xmlrpc 2018-10-30 03:38:11 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
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