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Bug 1551565 - (CVE-2017-18208) CVE-2017-18208 kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service
CVE-2017-18208 kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_w...
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=20171130,repor...
: Security
Depends On: 1551566 1552458 1552459 1552460 1552461 1552462 1552463 1552464 1552981 1552982 1552983 1552984
Blocks: 1551570
  Show dependency tree / graph
 
Reported: 2018-03-05 07:29 EST by Adam Mariš
Modified: 2018-10-30 04:58 EDT (History)
44 users (show)

See Also:
Fixed In Version: kernel 4.15
Doc Type: If docs needed, set a value
Doc Text:
The madvise_willneed function in the Linux kernel allows local users to cause a denial of service (infinite loop) by triggering use of MADVISE_WILLNEED for a DAX mapping.
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Last Closed:
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CRM:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
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 2018-03-05 07:29:32 EST 
The madvise_willneed function in mm/madvise.c in the Linux kernel before 4.14.4 allows local users to cause a denial of service (infinite loop) by triggering use of MADVISE_WILLNEED for a DAX mapping.

Upstream patch:

https://github.com/torvalds/linux/commit/6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91
Comment 7 errata-xmlrpc 2018-10-30 03:31:30 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 03:37:38 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 9 errata-xmlrpc 2018-10-30 04:58:18 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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