What’s Vulnerable › Vulnerabilities

CVE-2016-3136

• Severity: medium (CVSS 4.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-05-02 · updated 2026-06-17

Description

The mct_u232_msr_to_state function in drivers/usb/serial/mct_u232.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted USB device without two interrupt-in endpoint descriptors.

Affected products

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

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4e9a0b05257f29cf4b75f3209243ed71614d062e
• 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.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1
• http://www.openwall.com/lists/oss-security/2016/03/14/2
• http://www.securityfocus.com/bid/84299
• http://www.ubuntu.com/usn/USN-2968-1
• http://www.ubuntu.com/usn/USN-2968-2
• http://www.ubuntu.com/usn/USN-2970-1

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