Bug 1245658 (CVE-2015-1333) - CVE-2015-1333 kernel: denial of service due to memory leak in add_key()
Summary: CVE-2015-1333 kernel: denial of service due to memory leak in add_key()
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2015-1333
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: 1244171 1246039 1246041 1246042 1246043 1246044
Blocks: 1244266
TreeView+ depends on / blocked
 
Reported: 2015-07-22 13:37 UTC by Vasyl Kaigorodov
Modified: 2023-05-12 10:02 UTC (History)
23 users (show)

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.
Clone Of:
Environment:
Last Closed: 2016-09-26 03:34:58 UTC
Embargoed:

Attachments (Terms of Use)
CVE-2015-1333.patch (1.35 KB, text/plain)
2015-07-22 13:53 UTC, Vasyl Kaigorodov 		no flags Details
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:1778 0 normal SHIPPED_LIVE Important: kernel security and bug fix update 2015-09-15 16:03:32 UTC
Red Hat Product Errata RHSA-2015:1787 0 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2015-09-15 13:22:07 UTC
Red Hat Product Errata RHSA-2015:1788 0 normal SHIPPED_LIVE Important: kernel-rt security, bug fix, and enhancement update 2015-09-15 13:38:06 UTC

Description Vasyl Kaigorodov 2015-07-22 13:37:29 UTC 
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 13:53:15 UTC 
Created attachment 1054857 [details]
CVE-2015-1333.patch
Comment 4 Petr Matousek 2015-07-23 11:24:50 UTC 
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 14:27:46 UTC 
References:

http://www.openwall.com/lists/oss-security/2015/07/27/7
Comment 10 errata-xmlrpc 2015-09-15 09:24:10 UTC 
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 09:40:00 UTC 
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 12:06:00 UTC 
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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