What is CVE-2017-16646?

CVE-2017-16646 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.6 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2017-16646 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-16646?

CVE-2017-16646 has a CVSS score of 6.6 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2017-16646?

No patch is currently available for CVE-2017-16646. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-16646 actively exploited?

CVE-2017-16646 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2017-16646

Medium

drivers/media/usb/dvb-usb/dib0700_devices.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (BUG and system crash) or possibly have unspecified other impact via a crafted USB device.

Package Linux Kernel

Published 2017-11-07

Last modified 2026-05-13

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

6.6

out of 10

Medium

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-476

CVE-2017-16646 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-16646 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Securityfocus
http://www.securityfocus.com/bid/101846

Third Party Advisory VDB Entry
Groups
https://groups.google.com/d/msg/syzkaller/-d6ilzbVu_g/OBy8_62mAwAJ

Mailing List Third Party Advisory
Patchwork
https://patchwork.linuxtv.org/patch/45291/

Mailing List Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3617-1/
Ubuntu Security
https://usn.ubuntu.com/3617-2/
Ubuntu Security
https://usn.ubuntu.com/3617-3/
Ubuntu Security
https://usn.ubuntu.com/3619-1/
Ubuntu Security
https://usn.ubuntu.com/3619-2/

Details

CVE ID CVE-2017-16646

Severity Medium

CVSS score 6.6 / 10

CVSS version 3.0

Published 2017-11-07

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-16646?

CVE-2017-16646 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.6 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2017-16646 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-16646?

CVE-2017-16646 has a CVSS score of 6.6 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2017-16646?

No patch is currently available for CVE-2017-16646. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-16646 actively exploited?

No — CVE-2017-16646 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →