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CVE-2016-10318

6.5 · MEDIUM

A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assig…

Published Apr 4, 2017CWE-264EPSS 2.16%

Overview

CVE-2016-10318 is a medium-severity vulnerability. It was published on April 4, 2017 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.

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

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98Refwww.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4Refwww.securityfocus.com/bid/97404GitHubgithub.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98Refwww.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4Refwww.securityfocus.com/bid/97404GitHubgithub.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98

How CyberStrike helps

Frequently asked questions

What is CVE-2016-10318?

CVE-2016-10318 is a medium-severity vulnerability. It was published on April 4, 2017 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2016-10318?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-10318?

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-2016-10318?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-10318 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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