Bug 1198457 (CVE-2014-8173) - CVE-2014-8173 kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support
Summary: CVE-2014-8173 kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2014-8173
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1072385 1198460
Blocks: 1198459
TreeView+ depends on / blocked
 
Reported: 2015-03-04 08:29 UTC by Petr Matousek
Modified: 2021-10-20 10:50 UTC (History)
23 users (show)

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.
Clone Of:
Environment:
Last Closed: 2021-10-20 10:50:43 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:0290 0 normal SHIPPED_LIVE Important: kernel security, bug fix, and enhancement update 2015-03-05 16:13:58 UTC
Red Hat Product Errata RHSA-2015:0694 0 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2015-03-17 18:39:44 UTC

Description Petr Matousek 2015-03-04 08:29:30 UTC 
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 08:33:40 UTC 
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 13:05:29 UTC 
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 14:41:36 UTC 
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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