What is CVE-2016-3707?

CVE-2016-3707 is a High severity Linux kernel vulnerability with a CVSS score of 8.1 out of 10, classified as a Improper Access Control flaw (CWE-284). CVE-2016-3707 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-3707?

CVE-2016-3707 has a CVSS score of 8.1 out of 10, rated High severity. The vector string is CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2016-3707?

No patch is currently available for CVE-2016-3707. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-3707 actively exploited?

CVE-2016-3707 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/284.html

CVE-2016-3707

High

The icmp_check_sysrq function in net/ipv4/icmp.c in the kernel.org projects/rt patches for the Linux kernel, as used in the kernel-rt package before 3.10.0-327.22.1 in Red Hat Enterprise Linux for Real Time 7 and other products, allows remote attackers to execute SysRq commands via crafted ICMP Echo Request packets, as demonstrated by a brute-force attack to discover a cookie, or an attack that occurs after reading the local icmp_echo_sysrq file.

Package Linux Kernel

Published 2016-06-27

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

8.1

out of 10

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-284

CVE-2016-3707 is a Improper Access Control vulnerability

What is Improper Access Control?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-3707 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html

Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
Openwall
http://www.openwall.com/lists/oss-security/2016/05/17/1
Red Hat
https://access.redhat.com/errata/RHSA-2016:1301

Third Party Advisory
Red Hat
https://access.redhat.com/errata/RHSA-2016:1341

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1327484

Issue Tracking

Details

CVE ID CVE-2016-3707

Severity High

CVSS score 8.1 / 10

CVSS version 3.0

Published 2016-06-27

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-3707?

CVE-2016-3707 is a High severity Linux kernel vulnerability with a CVSS score of 8.1 out of 10 , classified as an Improper Access Control flaw (CWE-284) . CVE-2016-3707 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-3707?

CVE-2016-3707 has a CVSS score of 8.1 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2016-3707?

No patch is currently available for CVE-2016-3707. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-3707 actively exploited?

No — CVE-2016-3707 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. View CWE-284 on MITRE CWE →