{"id":"CVE-2016-3136","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-3136","generatedAt":"2026-10-27T17:43:07.707Z","title":"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…","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.","published":"2016-05-02T10:59:36.000Z","lastModified":"2026-06-17T00:45:10.000Z","status":"Modified","sourceIdentifier":"security@opentext.com","cvss":{"version":"3.0","score":4.6,"severity":"MEDIUM","vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel","novell/suse linux enterprise software development kit","novell/suse linux enterprise desktop","novell/suse linux enterprise live patching","novell/suse linux enterprise module for public cloud","novell/suse linux enterprise real time extension","novell/suse linux enterprise server","novell/suse linux enterprise workstation extension","canonical/ubuntu linux"],"epss":{"score":0.01797,"percentile":0.78295,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2016-03-09","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":39541,"kind":"exploit","title":"Linux Kernel 3.10.0 (CentOS / RHEL 7.1) - 'mct_u232' Nullpointer Dereference","url":"https://www.exploit-db.com/exploits/39541","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/39541.txt","file":"exploits/linux/dos/39541.txt","published":"2016-03-09","added":"2016-03-09","updated":"2016-09-04","author":"OpenSource Security","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2016-3136"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://os-s.net/advisories/OSS-2016-08_mct_u232.pdf"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.8%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4e9a0b05257f29cf4b75f3209243ed71614d062e","source":"security@opentext.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html","source":"security@opentext.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html","source":"security@opentext.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html","source":"security@opentext.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html","source":"security@opentext.com"},{"url":"http://www.debian.org/security/2016/dsa-3607","source":"security@opentext.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1","source":"security@opentext.com"},{"url":"http://www.openwall.com/lists/oss-security/2016/03/14/2","source":"security@opentext.com"},{"url":"http://www.securityfocus.com/bid/84299","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2968-1","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2968-2","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2970-1","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2971-1","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2971-2","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2971-3","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2996-1","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-2997-1","source":"security@opentext.com"},{"url":"http://www.ubuntu.com/usn/USN-3000-1","source":"security@opentext.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1283370","source":"security@opentext.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1317007","source":"security@opentext.com"},{"url":"https://github.com/torvalds/linux/commit/4e9a0b05257f29cf4b75f3209243ed71614d062e","source":"security@opentext.com"},{"url":"https://www.exploit-db.com/exploits/39541/","source":"security@opentext.com"},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4e9a0b05257f29cf4b75f3209243ed71614d062e","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3607","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2016/03/14/2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/84299","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2968-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2968-2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2970-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2971-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2971-2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2971-3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2996-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2997-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-3000-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1283370","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1317007","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/4e9a0b05257f29cf4b75f3209243ed71614d062e","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/39541/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-3136","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}