Bug 1173580 (CVE-2014-8709)

Summary: CVE-2014-8709 kernel: net: mac80211: plain text information leak
Product: [Other] Security Response Reporter: Vasyl Kaigorodov <vkaigoro>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: agordeev, aquini, bhu, ccoleman, dhoward, dmcphers, esammons, fhrbata, gansalmon, iboverma, itamar, jforbes, jialiu, joelsmith, jokerman, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, kseifried, lmeyer, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, mmccomas, mmcgrath, mrg-program-list, nmurray, pholasek, plougher, pmatouse, ppandit, rvrbovsk, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
An information leak flaw was found in the Linux kernel's IEEE 802.11 wireless networking implementation. When software encryption was used, a remote attacker could use this flaw to leak up to 8 bytes of plaintext.
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-07-22 19:30:58 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1136324, 1173618, 1173704    
Bug Blocks: 1161357    

Description Vasyl Kaigorodov 2014-12-12 13:02:47 UTC
Linux kernel built with the Generic IEEE 802.11 Networking Stack(CONFIG_MAC80211)(WLAN) support is vulnerable to an information leakage flaw. It occurs when fragmentation along with software encryption is enabled.

This flaw could be used to leak up to 8 kernel memory bytes.

Upstream fix:
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  -> https://git.kernel.org/linus/338f977f4eb441e69bb9a46eaa0ac715c931a67f

Reference:
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  -> http://www.openwall.com/lists/oss-security/2014/11/06/7

Comment 1 Prasad Pandit 2014-12-12 14:04:53 UTC
Statement:

This issue did not affect the version of the kernel package as shipped with Red Hat Enterprise MRG 2.

This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Comment 3 Prasad Pandit 2014-12-12 17:48:39 UTC
Red Hat Enterprise Linux 5 is in Production 3 Phase of the support and maintenance life cycle. This issue has been rated as having Low security impact and is currently not planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle:

  -> https://access.redhat.com/support/policy/updates/errata/

Comment 5 errata-xmlrpc 2015-03-05 13:03:20 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 6 errata-xmlrpc 2015-07-22 08:35:07 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2015:1272 https://rhn.redhat.com/errata/RHSA-2015-1272.html