medium
4.9
CWE
476
Advisory Published
CVE Published
Updated

CVE-2016-2186: 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 powermate driver. The kernel would panic causing null pointer dereference attempting to access non existent endpoints. Product bug: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED WONTFIX - CVE-2016-2186 Local RedHat Enterprise Linux DoS – RHEL 7.1 Kernel crashes on invalid USB device descriptors (powermate driver) [local-DoS]" href="show_bug.cgi?id=1283384">https://bugzilla.redhat.com/show_bug.cgi?id=1283384</a> Public via: <a href="http://seclists.org/bugtraq/2016/Mar/85">http://seclists.org/bugtraq/2016/Mar/85</a> This was assigned <a href="https://access.redhat.com/security/cve/CVE-2016-2186">CVE-2016-2186</a> by Red Hat.

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

Affected SoftwareAffected VersionHow to fix
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
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
Ubuntu=12.04

Remedy

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

Remedy

https://git.kernel.org/linus/9c6ba456711687b794dcf285856fc14e2c76074f

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-2186?

    CVE-2016-2186 is considered a medium severity vulnerability due to potential kernel crashes.

  • How do I fix CVE-2016-2186?

    To address CVE-2016-2186, update the Linux kernel to a version higher than 4.5.0 or apply the recommended patches.

  • Which products are affected by CVE-2016-2186?

    CVE-2016-2186 affects various versions of the Linux kernel and specific SUSE Linux Enterprise products.

  • What type of vulnerability is CVE-2016-2186?

    CVE-2016-2186 is a vulnerability in the USB device management code within the Linux kernel.

  • Can CVE-2016-2186 lead to system instability?

    Yes, CVE-2016-2186 can cause a kernel panic and lead to system instability when a vulnerable USB device is connected.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203