CVE-2016-10318

Name: CVE-2016-10318
Creator: NVD / NIST
Published: 2017-04-04T16:59:00.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.16%

Last modified Jun 17, 2026

CVE-2016-10318 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.16% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.16%

79.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.7.3

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98Patch, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/97404Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98Patch, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/97404Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98Patch, Third Party Advisory

Timeline

Published: Apr 4, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-10318?

How severe is CVE-2016-10318?

Severity scoring for CVE-2016-10318 is pending analysis. The EPSS model estimates a 2.16% probability of exploitation in the next 30 days.

How do I fix CVE-2016-10318?

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-2016-10318?

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

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Source: NVD / NIST