CVE-2016-10318

MEDIUM

Linux Kernel < 4.7.3 - Access Control

Title source: rule

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.

References (4)

[Patch, Vendor Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98

[Release Notes, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/97404

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98

Scores

CVSS v3 6.5

EPSS 0.0056

EPSS Percentile 68.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-264

Status published

Affected Products (2)

linux/linux_kernel < 4.7.3

n/a/n/a

Timeline

Published Apr 04, 2017

Tracked Since Feb 18, 2026