CVE-2016-2187: 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>
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =15.10 | |
| Ubuntu Linux | =16.04 | |
| Linux Kernel | <=4.5.2 | |
| SUSE Linux Enterprise Software Development Kit | =11.0-sp4 | |
| SUSE Linux Enterprise Debuginfo | =11-sp4 | |
| SUSE Linux Enterprise Server | =11-extra | |
| SUSE Linux Enterprise Server | =11-sp4 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 |
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Reference Links
- http://www.securityfocus.com/bid/85425
- http://www.debian.org/security/2016/dsa-3607
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://www.ubuntu.com/usn/USN-2989-1
- http://www.ubuntu.com/usn/USN-2996-1
- http://www.ubuntu.com/usn/USN-2997-1
- http://www.ubuntu.com/usn/USN-2998-1
- http://www.ubuntu.com/usn/USN-3000-1
- http://www.ubuntu.com/usn/USN-3001-1
- http://www.ubuntu.com/usn/USN-3002-1
- http://www.ubuntu.com/usn/USN-3003-1
- http://www.ubuntu.com/usn/USN-3004-1
- http://www.ubuntu.com/usn/USN-3005-1
- http://www.ubuntu.com/usn/USN-3006-1
- http://www.ubuntu.com/usn/USN-3007-1
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=162f98dea487206d9ab79fc12ed64700667a894d
- https://bugzilla.redhat.com/show_bug.cgi?id=1317017
- https://github.com/torvalds/linux/commit/162f98dea487206d9ab79fc12ed64700667a894d
- https://launchpad.net/bugs/cve/CVE-2016-2187
- 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://git.kernel.org/linus/162f98dea487206d9ab79fc12ed64700667a894d
- https://security-tracker.debian.org/tracker/CVE-2016-2187
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2187
- https://nvd.nist.gov/vuln/detail/CVE-2016-2187
- https://ubuntu.com/security/CVE-2016-2187
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