CVE-2017-15847 : Vulnerability Insights and Analysis
Learn about CVE-2017-15847, a race condition vulnerability in Android for MSM, Firefox OS, and QRD Android, potentially allowing unauthorized access. Find mitigation steps and affected systems.
A race condition vulnerability in the SPCom kernel driver affects various Android editions, including Android for MSM, Firefox OS for MSM, and QRD Android.
Understanding CVE-2017-15847
This CVE involves a Time-of-check Time-of-use (TOCTOU) Race Condition in Core.
What is CVE-2017-15847?
A race condition exists in the SPCom kernel driver during channel creation in multiple Android editions, including Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel.
The Impact of CVE-2017-15847
This vulnerability could allow an attacker to exploit the race condition, potentially leading to unauthorized access or other malicious activities on affected systems.
Technical Details of CVE-2017-15847
The following technical details provide insight into the vulnerability.
Vulnerability Description
In Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel, a race condition occurs in the SPCom kernel driver during channel creation.
Affected Systems and Versions
- Product: Android for MSM, Firefox OS for MSM, QRD Android
- Vendor: Qualcomm, Inc.
- Versions: All Android releases from CAF using the Linux kernel
Exploitation Mechanism
The vulnerability arises due to a race condition during channel creation in the SPCom kernel driver.
Mitigation and Prevention
To address CVE-2017-15847, consider the following mitigation strategies.
Immediate Steps to Take
- Apply security patches provided by Qualcomm or relevant vendors promptly.
- Monitor vendor security bulletins for updates and advisories.
Long-Term Security Practices
- Implement secure coding practices to prevent race conditions and other vulnerabilities.
- Regularly update and patch systems to protect against known security issues.
- Conduct security assessments and audits to identify and address potential vulnerabilities.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.