vulnerability

Oracle Linux: CVE-2018-5873: ELSA-2018-4227: Unbreakable Enterprise kernel security update (IMPORTANT)

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Apr 19, 2017
Added
Sep 27, 2018
Modified
Dec 3, 2025

Description

An issue was discovered in the __ns_get_path function in fs/nsfs.c in the Linux kernel before 4.11. Due to a race condition when accessing files, a Use After Free condition can occur. This also affects all Android releases from CAF using the Linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-07-05.
An issue was discovered in the __ns_get_path function in fs/nsfs.c in the Linux kernel before 4.11. Due to a race condition when accessing files, a Use After Free condition can occur. A local attacker may be able to leverage this fault to escalate privileges on the system.

Solution

oracle-linux-upgrade-kernel-uek
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.