Bug 1317017 (CVE-2016-2187) - CVE-2016-2187 kernel: Kernel panic on invalid USB device descriptor (gtco driver)
Summary: CVE-2016-2187 kernel: Kernel panic on invalid USB device descriptor (gtco dri...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2016-2187
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=20160321,reported=2...
Depends On: 1283385 1317010
Blocks: 1317020
TreeView+ depends on / blocked
 
Reported: 2016-03-11 17:23 UTC by Adam Mariš
Modified: 2019-06-08 21:04 UTC (History)
25 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-03-21 08:58:31 UTC


Attachments (Terms of Use)
gtco-null-deref.patch (1.63 KB, patch)
2016-03-23 14:30 UTC, Vladis Dronov
no flags Details | Diff

Description Adam Mariš 2016-03-11 17:23:43 UTC
A flaw was found in in the Linux kernel's USB device management code which could cause a crash when a device which required gtco module.  The kernel would panic causing null pointer dereference attempting to access invalid USB device descriptors.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1283385

Intended to be public via:

http://seclists.org/bugtraq/2016/Mar/86

Public via:

https://bugzilla.redhat.com/show_bug.cgi?id=1283385

Proposed upstream patch (linux-usb@ and linux-input@ lists):

http://www.spinics.net/lists/linux-usb/msg137950.html
http://www.spinics.net/lists/linux-input/msg43786.html

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=162f98dea487206d9ab79fc12ed64700667a894d

Comment 1 Adam Mariš 2016-03-11 17:23:57 UTC
Acknowledgments:

Name: Ralf Spenneberg (OpenSource Security)

Comment 2 Vladis Dronov 2016-03-21 08:58:31 UTC
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 as the code with the flaw is not present in the products listed.

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and 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/.

Comment 3 Vladis Dronov 2016-03-23 14:30:07 UTC
Created attachment 1139603 [details]
gtco-null-deref.patch

Comment 4 Fedora Update System 2016-04-02 00:44:15 UTC
kernel-4.5.0-302.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 Fedora Update System 2016-04-02 15:52:05 UTC
kernel-4.5.0-302.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.

Comment 6 Fedora Update System 2016-04-08 15:51:45 UTC
kernel-4.4.6-301.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 7 Fedora Update System 2016-04-08 20:19:41 UTC
kernel-4.4.6-201.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.


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