SB2018091842 - Race condition in Google, Google Android
Published: September 18, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018091842
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2018-11818)
The vulnerability allows a local authenticated user to execute arbitrary code.
In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, LUT configuration is passed down to driver from userspace via ioctl. Simultaneous update from userspace while kernel drivers are updating LUT registers can lead to race condition.
Remediation
Install update from vendor's website.
References
- https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=7d1e40be0f7da526f1109005383aa55f5646fc13
- https://source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=999bfde119d881a09218eb045d41fb83e67f0d10
- https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin