medium
4.9
CWE
476
Advisory Published
CVE Published
Updated

CVE-2016-2185: 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 kernel panic when a device which required ati_remote2 kernel module. The kernel would panic causing null pointer dereference attempting to access a non existent interface descriptor. The ati_remote2 driver assumes that there will be at least two interface-descriptors with associated endpoint-descriptors. Product bugs: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - CVE-2016-2185 Local RedHat Enterprise Linux DoS – RHEL 7.1 Kernel crashes on invalid USB device descriptors (ati_remote2 driver bug1) [local-DoS]" href="show_bug.cgi?id=1283362">https://bugzilla.redhat.com/show_bug.cgi?id=1283362</a> <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - CVE-2016-2185 Local RedHat Enterprise Linux DoS – RHEL 7.1 Kernel crashes on invalid USB device descriptors (ati_remote2 driver bug2) [local-DoS]" href="show_bug.cgi?id=1283363">https://bugzilla.redhat.com/show_bug.cgi?id=1283363</a> Public via: <a href="http://seclists.org/bugtraq/2016/Mar/90">http://seclists.org/bugtraq/2016/Mar/90</a> Red Hat assigned <a href="https://access.redhat.com/security/cve/CVE-2016-2185">CVE-2016-2185</a> to this issue. Upstream patch: <a href="http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=950336ba3e4a1ffd2ca60d29f6ef386dd2c7351d">http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=950336ba3e4a1ffd2ca60d29f6ef386dd2c7351d</a>

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Ubuntu Linux=12.04
Linux kernel<=4.5.0
SUSE Linux Enterprise Software Development Kit=11.0-sp4
SUSE Linux Enterprise Software Development Kit=12.0
SUSE Linux Enterprise Software Development Kit=12.0-sp1
SUSE Linux Enterprise Debuginfo=11.0-sp4
SUSE Linux Enterprise Desktop=12.0
SUSE Linux Enterprise Desktop=12.0-sp1
SUSE Linux Enterprise Live Patching=12.0
SUSE Linux Enterprise Module for Public Cloud=12.0
SUSE Linux Enterprise Real Time Extension=11.0-sp4
SUSE Linux Enterprise Real Time Extension=12.0-sp1
SUSE Linux Enterprise Server=11.0-extra
SUSE Linux Enterprise Server=11.0-sp4
SUSE Linux Enterprise Server=12.0
SUSE Linux Enterprise Server=12.0-sp1
SUSE Linux Enterprise Workstation Extension=12.0
SUSE Linux Enterprise Workstation Extension=12.0-sp1
debian/linux
5.10.223-1
5.10.234-1
6.1.123-1
6.1.128-1
6.12.17-1

Remedy

https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Remedy

https://git.kernel.org/linus/950336ba3e4a1ffd2ca60d29f6ef386dd2c7351d

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-2185?

    CVE-2016-2185 is classified as a medium severity vulnerability due to its potential to cause kernel panic.

  • How do I fix CVE-2016-2185?

    To fix CVE-2016-2185, upgrade to the recommended versions of the Linux kernel or apply the patches provided by your distribution.

  • Which Linux versions are affected by CVE-2016-2185?

    CVE-2016-2185 affects Ubuntu 12.04, Linux kernels up to version 4.5.0, and multiple versions of SUSE Linux Enterprise Software Development Kit and Desktop.

  • What impact does CVE-2016-2185 have on my system?

    CVE-2016-2185 can lead to a kernel panic when a device requiring the ati_remote2 kernel module is connected, causing system instability.

  • Is CVE-2016-2185 actively exploited?

    There have been no widely reported active exploits specifically targeting CVE-2016-2185, but it is advisable to patch it promptly to avoid potential risks.

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