CVE-2016-10318 Missing authorization in n/a

What is CVE-2016-10318?

CVE-2016-10318 is a medium-severity missing authorization vulnerability in Linux kernel, published on 4 Apr 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-264

Which versions are affected by CVE-2016-10318?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2016-10318?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2016-10318 being exploited?

There is no known exploitation of CVE-2016-10318 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-10318, GHSA-mcg2-4f7h-vc52, UBUNTU-CVE-2016-10318.