Improper privilege management in Linux kernel - CVE-2016-2067

 

Improper privilege management in Linux kernel - CVE-2016-2067

Published: July 11, 2016 / Updated: August 4, 2020


Vulnerability identifier: #VU95712
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-2067
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

drivers/gpu/msm/kgsl.c in the MSM graphics driver (aka GPU driver) for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, mishandles the KGSL_MEMFLAGS_GPUREADONLY flag, which allows attackers to gain privileges by leveraging accidental read-write mappings, aka Qualcomm internal bug CR988993.


How to mitigate CVE-2016-2067

Install update from vendor's repository.

Sources