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Bug 1198457 - (CVE-2014-8173) CVE-2014-8173 kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support
CVE-2014-8173 kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support
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=20131220,repor...
: Security
Depends On: 1072385 1198460
Blocks: 1198459
  Show dependency tree / graph
 
Reported: 2015-03-04 03:29 EST by Petr Matousek
Modified: 2018-08-28 17:57 EDT (History)
26 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 madvise MADV_WILLNEED functionality handled page table locking. A local, unprivileged user could use this flaw to crash the system.
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oVirt Team: ---
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-2015:0290 normal SHIPPED_LIVE Important: kernel security, bug fix, and enhancement update 2015-03-05 11:13:58 EST
Red Hat Product Errata RHSA-2015:0694 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2015-03-17 14:39:44 EDT

  None (edit)
Description Petr Matousek 2015-03-04 03:29:30 EST 
A NULL pointer dereference flaw was found in the way Linux kernel's madvise
MADV_WILLNEED functionality handled page table locking. An unprivileged
local user could use this flaw to crash the system.

Upstream patch:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee53664bda169f519ce3c6a22d378f0b946c8178
Comment 2 Petr Matousek 2015-03-04 03:33:40 EST 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2. Future updates for the respective releases may address this issue.
Comment 4 errata-xmlrpc 2015-03-05 08:05:29 EST 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:0290 https://rhn.redhat.com/errata/RHSA-2015-0290.html
Comment 5 errata-xmlrpc 2015-03-17 10:41:36 EDT 
This issue has been addressed in the following products:

  MRG for RHEL-6 v.2

Via RHSA-2015:0694 https://rhn.redhat.com/errata/RHSA-2015-0694.html
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