SB2014121211 - Permissions, Privileges, and Access Controls in Linux kernel
Published: December 12, 2014 Updated: August 9, 2020
Security Bulletin ID
SB2014121211
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-4323)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The mdp_lut_hw_update function in drivers/video/msm/mdp.c in the MDP display driver for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, does not validate certain start and length values within an ioctl call, which allows attackers to gain privileges via a crafted application.
Remediation
Install update from vendor's website.