Bug 1333309 (CVE-2016-4485) - CVE-2016-4485 kernel: Information leak in llc module
Summary: CVE-2016-4485 kernel: Information leak in llc module
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2016-4485
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1333321
Blocks: 1332934
TreeView+ depends on / blocked
 
Reported: 2016-05-05 09:16 UTC by Adam Mariš
Modified: 2021-02-17 03:55 UTC (History)
34 users (show)

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().
Clone Of:
Environment:
Last Closed: 2016-06-01 15:03:41 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2016-05-05 09:16:43 UTC 
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 09:40:45 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1333321]
Comment 2 Fedora Update System 2016-05-14 23:23:12 UTC 
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 14:52:57 UTC 
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 15:02:25 UTC 
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 15:00:04 UTC 
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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