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CVE-2017-11600

7.0 · HIGH

net/xfrm/xfrm_policy.c in the Linux kernel through 4.12.3, when CONFIG_XFRM_MIGRATE is enabled, does not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allows loc…

Published Jul 24, 2017CWE-125EPSS 0.41%

Overview

CVE-2017-11600 is a high-severity vulnerability. It was published on July 24, 2017 and has a CVSS 3.1 base score of 7.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

net/xfrm/xfrm_policy.c in the Linux kernel through 4.12.3, when CONFIG_XFRM_MIGRATE is enabled, does not ensure that the dir value of xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which allows local users to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via an XFRM_MSG_MIGRATE xfrm Netlink message.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlRefseclists.org/bugtraq/2017/Jul/30Refwww.debian.org/security/2017/dsa-3981Refwww.securityfocus.com/bid/99928Refaccess.redhat.com/errata/RHSA-2018:1965Refaccess.redhat.com/errata/RHSA-2018:2003Refaccess.redhat.com/errata/RHSA-2019:1170Refaccess.redhat.com/errata/RHSA-2019:1190Refsource.android.com/security/bulletin/pixel/2017-11-01Reflists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-11600?

CVE-2017-11600 is a high-severity vulnerability. It was published on July 24, 2017 and has a CVSS 3.1 base score of 7.0 (HIGH).

How severe is CVE-2017-11600?

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-11600?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-11600?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-11600 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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