REDHAT-BUG-1317017: Null Pointer Dereference
First published: Fri Mar 11 2016(Updated: )
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: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - CVE-2016-2187 Local RedHat Enterprise Linux DoS – RHEL 7.1 Kernel crashes on invalid USB device descriptors (gtco driver) [local-DoS]" href="show_bug.cgi?id=1283385">https://bugzilla.redhat.com/show_bug.cgi?id=1283385</a> Intended to be public via: <a href="http://seclists.org/bugtraq/2016/Mar/86">http://seclists.org/bugtraq/2016/Mar/86</a> Public via: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - CVE-2016-2187 Local RedHat Enterprise Linux DoS – RHEL 7.1 Kernel crashes on invalid USB device descriptors (gtco driver) [local-DoS]" href="show_bug.cgi?id=1283385">https://bugzilla.redhat.com/show_bug.cgi?id=1283385</a> Proposed upstream patch (linux-usb@ and linux-input@ lists): <a href="http://www.spinics.net/lists/linux-usb/msg137950.html">http://www.spinics.net/lists/linux-usb/msg137950.html</a> <a href="http://www.spinics.net/lists/linux-input/msg43786.html">http://www.spinics.net/lists/linux-input/msg43786.html</a> Upstream patch: <a href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=162f98dea487206d9ab79fc12ed64700667a894d">https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=162f98dea487206d9ab79fc12ed64700667a894d</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Enterprise Linux | ||
| Red Hat Kernel-devel |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1283385
- http://seclists.org/bugtraq/2016/Mar/86
- http://www.spinics.net/lists/linux-usb/msg137950.html
- http://www.spinics.net/lists/linux-input/msg43786.html
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=162f98dea487206d9ab79fc12ed64700667a894d
- https://access.redhat.com/support/policy/updates/errata/
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1139603&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1139603&action=edit
- https://bugzilla.redhat.com/show_bug.cgi?id=1317017
Frequently Asked Questions
What is the severity of REDHAT-BUG-1317017?
The severity of REDHAT-BUG-1317017 is classified as critical due to the potential for kernel panic and system crashes.
How do I fix REDHAT-BUG-1317017?
To fix REDHAT-BUG-1317017, update your Linux kernel to the latest version provided by your distribution that addresses this vulnerability.
What products are affected by REDHAT-BUG-1317017?
REDHAT-BUG-1317017 affects systems running the Linux kernel, specifically those that utilize the gtco module.
What are the potential consequences of not addressing REDHAT-BUG-1317017?
Failing to address REDHAT-BUG-1317017 can lead to system instability and crashes due to null pointer dereferences when handling USB devices.
Is there a workaround for REDHAT-BUG-1317017?
Disabling the gtco module or avoiding the connection of vulnerable USB devices can serve as a temporary workaround for REDHAT-BUG-1317017.
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