#VU12316 Missing authorization in Linux kernel - CVE-2016-10318
Published: May 1, 2018
Vulnerability identifier: #VU12316
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-10318
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support due to missing authorization check. A remote attacker can assign an encryption policy to a directory owned by a different user and cause the service to crash.
The weakness exists in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support due to missing authorization check. A remote attacker can assign an encryption policy to a directory owned by a different user and cause the service to crash.
Remediation
Update to version 4.7.4.