Use-after-free in Linux kernel - CVE-2016-10905
Published: September 4, 2019
Vulnerability identifier: #VU20856
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-10905
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the "fs/gfs2/rgrp.c" file. A local authenticated user can access the system, execute an application that submits malicious input to the affected software, cause a use-after-free condition in the "gfs2_clear_rgrpd" and "read_rindex_entry" functions and execute arbitrary code or cause a DoS condition.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Linux kernel
Slackware Linux
linux-4.4.199/kernel-generic
linux-4.4.199/kernel-huge
linux-4.4.199/kernel-modules
linux-4.4.199/kernel-headers
Slackware Linux
linux-4.4.199/kernel-generic
linux-4.4.199/kernel-huge
linux-4.4.199/kernel-modules
linux-4.4.199/kernel-headers
How to mitigate CVE-2016-10905
Install updates from vendor's website.
Linux kernel - update to 4.8
linux-4.4.199/kernel-generic - update to 4.4.199
linux-4.4.199/kernel-huge - update to 4.4.199
linux-4.4.199/kernel-modules - update to 4.4.199
linux-4.4.199/kernel-headers - update to 4.4.199_smp
linux-4.4.199/kernel-generic - update to 4.4.199
linux-4.4.199/kernel-huge - update to 4.4.199
linux-4.4.199/kernel-modules - update to 4.4.199
linux-4.4.199/kernel-headers - update to 4.4.199_smp