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Bug 1333309 - (CVE-2016-4485) CVE-2016-4485 kernel: Information leak in llc module
CVE-2016-4485 kernel: Information leak in llc module
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20160504,reported=2...
: Security
Depends On: 1333321
Blocks: 1332934
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Reported: 2016-05-05 05:16 EDT by Adam Mariš
Modified: 2016-06-02 11:00 EDT (History)
34 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
An information leak vulnerability in [llc] module was found in "net/llc/af_llc.c". The stack object "info" has a total size of 12 bytes. Its last byte is padding which is not initialized and leaked via put_cmsg().
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Clone Of:
Environment:
Last Closed: 2016-06-01 11:03:41 EDT
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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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Description Adam Mariš 2016-05-05 05:16:43 EDT 
An information leak vulnerability in [llc] module was found in "net/llc/af_llc.c". The stack object "info" has a total size of 12 bytes. Its last byte is padding which is not initialized and leaked via put_cmsg().

Public via:

http://marc.info/?l=linux-kernel&m=146230753506235&w=2

http://marc.info/?l=linux-netdev&m=146230754406241&w=2

CVE-ID request and assignment:

http://seclists.org/oss-sec/2016/q2/233

http://seclists.org/oss-sec/2016/q2/236

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=b8670c09f37bdf2847cc44f36511a53afc6161fd

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8670c09f37bdf2847cc44f36511a53afc6161fd
Comment 1 Adam Mariš 2016-05-05 05:40:45 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1333321]
Comment 2 Fedora Update System 2016-05-14 19:23:12 EDT 
kernel-4.5.4-300.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2016-05-16 10:52:57 EDT 
kernel-4.4.9-200.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Vladis Dronov 2016-06-01 11:02:25 EDT 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the related code with the flaw is not present in the products listed.
Comment 6 Fedora Update System 2016-06-02 11:00:04 EDT 
kernel-4.5.5-201.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
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