Bug 1295802 (CVE-2015-8746) - CVE-2015-8746 kernel: when NFSv4 migration is executed, kernel oops occurs at NFS client
Summary: CVE-2015-8746 kernel: when NFSv4 migration is executed, kernel oops occurs at...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2015-8746
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: Embargoed1290679 1295803 Engineering1334733 Engineering1334734
Blocks: Embargoed1291211
TreeView+ depends on / blocked
 
Reported: 2016-01-05 13:51 UTC by Vladis Dronov
Modified: 2021-02-17 04:34 UTC (History)
30 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A NULL pointer dereference flaw was found in the Linux kernel: the NFSv4.2 migration code improperly initialized the kernel structure. A local, authenticated user could use this flaw to cause a panic of the NFS client (denial of service).
Clone Of:
Environment:
Last Closed: 2019-06-08 02:47:04 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2574 0 normal SHIPPED_LIVE Important: kernel security, bug fix, and enhancement update 2016-11-03 12:06:10 UTC
Red Hat Product Errata RHSA-2016:2584 0 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2016-11-03 12:08:49 UTC

Description Vladis Dronov 2016-01-05 13:51:03 UTC 
A flaw was found in the Linux kernel in the NFSv4.2 migration code that can cause a panic of the NFS client due to improperly initialized kernel structure.

References:

An upstream patch: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=18e3b739f
Comment 1 Vladis Dronov 2016-01-05 13:53:05 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1295803]
Comment 3 Vladis Dronov 2016-01-05 14:11:09 UTC 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 as the code with the flaw is not present in the products listed.

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2. Future updates for the respective releases may address the issue.
Comment 5 Adam Mariš 2016-01-06 13:08:48 UTC 
CVE assignment:

http://seclists.org/oss-sec/2016/q1/27
Comment 8 errata-xmlrpc 2016-11-03 14:51:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2574 https://rhn.redhat.com/errata/RHSA-2016-2574.html
Comment 9 errata-xmlrpc 2016-11-03 19:39:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2584 https://rhn.redhat.com/errata/RHSA-2016-2584.html
Comment 10 errata-xmlrpc 2016-11-03 21:30:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2574 https://rhn.redhat.com/errata/RHSA-2016-2574.html
Comment 11 errata-xmlrpc 2016-11-03 21:46:20 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2584 https://rhn.redhat.com/errata/RHSA-2016-2584.html
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