Bugzilla will be upgraded to version 5.0 on a still to be determined date in the near future. The original upgrade date has been delayed.
First Last Prev Next    This bug is not in your last search results.
Bug 1343335 - (CVE-2016-5243) CVE-2016-5243 kernel: Information leak in tipc_nl_compat_link_dump
CVE-2016-5243 kernel: Information leak in tipc_nl_compat_link_dump
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
: ---
: ---
Assigned To: Red Hat Product Security
impact=low,public=20160603,reported=2...
: Security
Depends On: 1343338 1348017
Blocks: 1343340
  Show dependency tree / graph
 
Reported: 2016-06-07 03:41 EDT by Andrej Nemec
Modified: 2016-06-29 09:41 EDT (History)
35 users (show)

See Also:
Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A leak of information was possible when issuing a netlink command of the stack memory area leading up to this function call. An attacker could use this to determine stack information for use in a later exploit.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2016-06-29 09:41:32 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

  None (edit)
Description Andrej Nemec 2016-06-07 03:41:50 EDT 
A vulnerability was found in the Linux kernel. 
There is a char array of size 60 in function tipc_nl_compat_link_dump of file net/tipc/netlink_compat.c, link_info.str. Memory after the NULL byte is not initialized. Sending the whole object out can cause a leak of sensitive info in kernel stack.

Upstream bug:

https://patchwork.ozlabs.org/patch/629100/

Upstream fix:

https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=5d2be1422e02ccd697ccfcd45c85b4a26e6178e2
Comment 1 Andrej Nemec 2016-06-07 03:47:25 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1343338]
Comment 2 Fedora Update System 2016-06-17 11:49:27 EDT 
kernel-4.4.13-200.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2016-06-17 11:59:44 EDT 
kernel-4.5.7-200.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Comment 4 Fedora Update System 2016-06-18 14:36:02 EDT 
kernel-4.5.7-300.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Wade Mealing 2016-06-19 21:02:08 EDT 
Statement:

This issue does not affect Red Hat Enterprise Linux 5,6 or 7 kernels as it does not contain the code that has introduced the flaw.
Note You need to log in before you can comment on or make changes to this bug.
First Last Prev Next    This bug is not in your last search results.