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Bug 1245658 - (CVE-2015-1333) CVE-2015-1333 kernel: denial of service due to memory leak in add_key()
CVE-2015-1333 kernel: denial of service due to memory leak in add_key()
Status: CLOSED ERRATA
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=20150727,repor...
: Security
Depends On: 1244171 1246039 1246041 1246042 1246043 1246044
Blocks: 1244266
  Show dependency tree / graph
 
Reported: 2015-07-22 09:37 EDT by Vasyl Kaigorodov
Modified: 2016-09-25 23:34 EDT (History)
23 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
It was found that the Linux kernel's keyring implementation would leak memory when adding a key to a keyring via the add_key() function. A local attacker could use this flaw to exhaust all available memory on the system.
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Clone Of:
Environment:
Last Closed: 2016-09-25 23:34:58 EDT
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: ---

Attachments (Terms of Use)
CVE-2015-1333.patch (1.35 KB, text/plain)
2015-07-22 09:53 EDT, Vasyl Kaigorodov 		no flags Details
Add an attachment (proposed patch, testcase, etc.)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:1778 normal SHIPPED_LIVE Important: kernel security and bug fix update 2015-09-15 12:03:32 EDT
Red Hat Product Errata RHSA-2015:1787 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2015-09-15 09:22:07 EDT
Red Hat Product Errata RHSA-2015:1788 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2015-09-15 09:38:06 EDT

  None (edit)
Description Vasyl Kaigorodov 2015-07-22 09:37:29 EDT 
It was reported that it's possible for any user to run the kernel out of memory through a memory leak in add_key().

Acknowledgements:

Red Hat would like to thank Canonical for reporting this issue.
Comment 3 Vasyl Kaigorodov 2015-07-22 09:53:15 EDT 
Created attachment 1054857 [details]
CVE-2015-1333.patch
Comment 4 Petr Matousek 2015-07-23 07:24:50 EDT 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6.
Comment 9 Petr Matousek 2015-07-27 10:27:46 EDT 
References:

http://www.openwall.com/lists/oss-security/2015/07/27/7
Comment 10 errata-xmlrpc 2015-09-15 05:24:10 EDT 
This issue has been addressed in the following products:

  MRG for RHEL-6 v.2

Via RHSA-2015:1787 https://rhn.redhat.com/errata/RHSA-2015-1787.html
Comment 11 errata-xmlrpc 2015-09-15 05:40:00 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:1788 https://rhn.redhat.com/errata/RHSA-2015-1788.html
Comment 12 errata-xmlrpc 2015-09-15 08:06:00 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:1778 https://rhn.redhat.com/errata/RHSA-2015-1778.html
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