CVE-2016-10318

kernel: User can assign an encryption policy to a directory owned by a different user

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.0

Review impact separately from score.

Published · September 8, 2016

Updated · May 13, 2026

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 allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.

Statement

This issue does not affect Red Hat Enterprise Linux 5, 6 and 7, MRG and realtime kernels.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-266 · Incorrect Privilege Assignment