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Vulnerability record · CVE-2016-2782 · published 27 April 2016

CVE-2016-2782: Linux kernel null pointer dereference vulnerability

Linux · Linux Kernel

The treo_attach function in drivers/usb/serial/visor.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a (1) bulk-in or (2) interrupt-in endpoint.

4.6 CVSS 3.1 Medium EPSS 1.6% · top 24.3% CWE-476 · NULL pointer dereference
4.6CVSS 3.1 base score, v2 4.9
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
42References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The treo_attach function in drivers/usb/serial/visor.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a (1) bulk-in or (2) interrupt-in endpoint.

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cac9b50b0d75a1d50d6c056ff65c005f3224c8e0 Issue TrackingPatchVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/28/9 Mailing ListThird Party Advisory
http://www.ubuntu.com/usn/USN-2929-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2929-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2930-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2930-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2930-3 Third Party Advisory
http://www.ubuntu.com/usn/USN-2932-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2948-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2948-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2967-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2967-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1312670 ExploitIssue TrackingThird Party Advisory
https://github.com/torvalds/linux/commit/cac9b50b0d75a1d50d6c056ff65c005f3224c8e0 Issue TrackingPatchThird Party Advisory
https://www.exploit-db.com/exploits/39539/ Third Party AdvisoryVDB Entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cac9b50b0d75a1d50d6c056ff65c005f3224c8e0 Issue TrackingPatchVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/28/9 Mailing ListThird Party Advisory
http://www.ubuntu.com/usn/USN-2929-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2929-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2930-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2930-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2930-3 Third Party Advisory
http://www.ubuntu.com/usn/USN-2932-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2948-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2948-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2967-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2967-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1312670 ExploitIssue TrackingThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-2782), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.