What is CVE-2016-3955?

CVE-2016-3955 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2016-3955 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-3955?

CVE-2016-3955 has a CVSS score of 9.8 out of 10, rated Critical severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2016-3955?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-3955 patch availability.

Is CVE-2016-3955 actively exploited?

CVE-2016-3955 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2016-3955

Critical

The usbip_recv_xbuff function in drivers/usb/usbip/usbip_common.c in the Linux kernel before 4.5.3 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via a crafted length value in a USB/IP packet.

Package Linux Kernel

Published 2016-07-03

Last modified 2026-05-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

9.8

out of 10

Critical

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2016-3955 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

17 total

Kernel Git
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b348d7dddb6c4fbfc810b7a0626e8ec9e29f7cbb

Vendor Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3

Vendor Advisory
GitHub
https://github.com/torvalds/linux/commit/b348d7dddb6c4fbfc810b7a0626e8ec9e29f7cbb

Patch Vendor Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html

Mailing List Third Party Advisory
Debian Security
http://www.debian.org/security/2016/dsa-3607

Third Party Advisory

Showing 5 of 17 references View all on NVD

Details

CVE ID CVE-2016-3955

Severity Critical

CVSS score 9.8 / 10

CVSS version 3.1

Published 2016-07-03

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-3955?

CVE-2016-3955 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2016-3955 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-3955?

CVE-2016-3955 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2016-3955?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-3955 patch availability.
Is CVE-2016-3955 actively exploited?

No. CVE-2016-3955 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.