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Bug 1401502 - (CVE-2016-9806) CVE-2016-9806 kernel: netlink: double-free in netlink_dump
CVE-2016-9806 kernel: netlink: double-free in netlink_dump
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20160515,repor...
: Reopened, Security
Depends On: 1414291 1406839 1414293 1414294
Blocks: 1401504
  Show dependency tree / graph
 
Reported: 2016-12-05 07:56 EST by Andrej Nemec
Modified: 2018-08-28 18:10 EDT (History)
35 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A double free vulnerability was found in netlink_dump, which could cause a denial of service or possibly other unspecified impact. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely.
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Clone Of:
Environment:
Last Closed: 2016-12-21 10:35:22 EST
Type: ---
Regression: ---
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Documentation: ---
CRM:
Verified Versions:
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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-2017:1842 normal SHIPPED_LIVE Important: kernel security, bug fix, and enhancement update 2017-08-01 14:22:09 EDT
Red Hat Product Errata RHSA-2017:2077 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2017-08-01 14:13:37 EDT
Red Hat Product Errata RHSA-2017:2669 normal SHIPPED_LIVE Important: kernel-rt security and bug fix update 2017-09-06 20:36:52 EDT

  None (edit)
Description Andrej Nemec 2016-12-05 07:56:39 EST 
A double free vulnerability was found in netlink_dump, which could cause a denial of service or possibly other unspecified impact.

References:

http://seclists.org/oss-sec/2016/q4/577

http://lists.openwall.net/netdev/2016/05/15/69

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520
Comment 3 Vladis Dronov 2016-12-21 10:33:07 EST 
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 Red Hat Enterprise MRG-2. Future Linux kernel updates for the respective releases might address this issue.
Comment 11 errata-xmlrpc 2017-08-01 15:10:52 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:2077 https://access.redhat.com/errata/RHSA-2017:2077
Comment 12 errata-xmlrpc 2017-08-02 03:50:51 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:1842 https://access.redhat.com/errata/RHSA-2017:1842
Comment 13 errata-xmlrpc 2017-09-06 16:39:04 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise MRG 2

Via RHSA-2017:2669 https://access.redhat.com/errata/RHSA-2017:2669
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