Bug 1343337 (CVE-2016-5244) - CVE-2016-5244 kernel: Information leak in rds_inc_info_copy
Summary: CVE-2016-5244 kernel: Information leak in rds_inc_info_copy
Status: CLOSED WONTFIX
Alias: CVE-2016-5244
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: impact=low,public=20160603,reported=2...
Keywords: Security
Depends On: 1343338 1348021
Blocks: 1343340
TreeView+ depends on / blocked
 
Reported: 2016-06-07 07:46 UTC by Andrej Nemec
Modified: 2019-06-08 21:14 UTC (History)
35 users (show)

(edit)
A vulnerability was found in the Linux kernel in function rds_inc_info_copy of file net/rds/recv.c. The last field "flags" of object "minfo" is not initialized. This can leak data previously at the flags location to userspace.
Clone Of:
(edit)
Last Closed: 2016-06-29 13:41:44 UTC


Attachments (Terms of Use)

Description Andrej Nemec 2016-06-07 07:46:00 UTC
A vulnerability was found in the Linux kernel in function rds_inc_info_copy of file net/rds/recv.c. The last field "flags" of object "minfo" is not initialized. Copying this object out may leak kernel stack data. Assign 0 to it to avoid leak.

Upstream bug:

https://patchwork.ozlabs.org/patch/629110/

Upstream fix:

https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=4116def2337991b39919f3b448326e21c40e0dbb

Comment 1 Andrej Nemec 2016-06-07 07:47:42 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1343338]

Comment 2 Fedora Update System 2016-06-17 15:49:44 UTC
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 15:59:59 UTC
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 18:36:16 UTC
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 2016-06-20 01:47:56 UTC
Statement:

This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 5 and 6 and will not be addressed in a future update.

This issue does not affect the Linux kernels as shipped with Red Hat Enterprise Linux  7, Realtime and Red Hat Enterprise MRG 2.

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/ .


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