What’s Vulnerable › Vulnerabilities

CVE-2016-3951

• Severity: medium (CVSS 4.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-05-02 · updated 2026-06-17

Description

Double free vulnerability in drivers/net/usb/cdc_ncm.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (system crash) or possibly have unspecified other impact by inserting a USB device with an invalid USB descriptor.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 15.10
• Linux kernel: 4.5.0-rc7
• Novell Suse Linux Enterprise Desktop: 12, 12-sp1
• Novell Suse Linux Enterprise Live Patching: 12.0
• Novell Suse Linux Enterprise Module For Public Cloud: 12
• Novell Suse Linux Enterprise Real Time Extension: 12-sp1
• Novell Suse Linux Enterprise Server: 12.0, 12.0-sp1
• Novell Suse Linux Enterprise Software Development Kit: 12.0-sp1
• Novell Suse Linux Enterprise Workstation Extension: 12.0, 12.0-sp1
• Suse Linux Enterprise Software Development Kit: 12.0

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1666984c8625b3db19a9abc298931d35ab7bc64b
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4d06dd537f95683aba3651098ae288b7cbff8274
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
• http://www.debian.org/security/2016/dsa-3607
• http://www.openwall.com/lists/oss-security/2016/04/06/4
• http://www.securityfocus.com/bid/91028
• http://www.securitytracker.com/id/1036763
• http://www.ubuntu.com/usn/USN-2989-1
• http://www.ubuntu.com/usn/USN-2998-1

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