CVE-2016-3136
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…
Does this matter?
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.
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.
- CVSS 3.0
- 4.6 MEDIUMCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.80% probability · 78th percentile
- Public exploits
- 1 in Exploit-DB · first 9 March 2016
- CISA KEV
- Not listed
- 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
- Source
- security@opentext.com
EPSS 1.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
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
- http://www.ubuntu.com/usn/USN-2971-1
- http://www.ubuntu.com/usn/USN-2971-2
- http://www.ubuntu.com/usn/USN-2971-3
- http://www.ubuntu.com/usn/USN-2996-1
- http://www.ubuntu.com/usn/USN-2997-1
- http://www.ubuntu.com/usn/USN-3000-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1283370
- https://bugzilla.redhat.com/show_bug.cgi?id=1317007
- https://github.com/torvalds/linux/commit/4e9a0b05257f29cf4b75f3209243ed71614d062e
- https://www.exploit-db.com/exploits/39541/
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.