CVE-2016-4565

Name: CVE-2016-4565
Creator: NVD / NIST
Published: 2016-05-23T10:59:05.783+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2016-4565 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The InfiniBand (aka IB) stack in the Linux kernel before 4.5.3 incorrectly relies on the write system call, which allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a uAPI interface.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

The InfiniBand (aka IB) stack in the Linux kernel before 4.5.3 incorrectly relies on the write system call, which allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a uAPI interface.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.48%

37.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 3.2.81
Linux	Linux Kernel	>= 3.3, < 3.10.103
Linux	Linux Kernel	>= 3.11, < 3.12.61
Linux	Linux Kernel	>= 3.13, < 3.14.76
Linux	Linux Kernel	>= 3.15, < 3.16.36
Linux	Linux Kernel	>= 3.17, < 3.18.34
Linux	Linux Kernel	>= 3.19, < 4.1.25
Linux	Linux Kernel	>= 4.2, < 4.4.9
Linux	Linux Kernel	>= 4.5, < 4.5.3
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.10
Canonical	Ubuntu Linux	16.04
Debian	Debian Linux	8.0

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1489.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1581.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1617.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1640.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1657.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1814.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3607Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/07/1Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/bid/90301Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3001-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-2Third Party Advisory
http://www.ubuntu.com/usn/USN-3019-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-2Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1277Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1301Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1341Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1406Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1310570Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1489.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1581.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1617.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1640.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1657.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1814.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3607Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/07/1Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/bid/90301Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3001-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-2Third Party Advisory
http://www.ubuntu.com/usn/USN-3019-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-2Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1277Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1301Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1341Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1406Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1310570Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3Vendor Advisory

Timeline

Published: May 23, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4565?

How severe is CVE-2016-4565?

CVE-2016-4565 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4565?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4565?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST