CVE-2018-5845 : What You Need to Know
Learn about CVE-2018-5845 affecting Qualcomm Android devices. Discover the impact, affected systems, and mitigation steps for this Use After Free vulnerability.
Android for MSM, Firefox OS for MSM, and QRD Android devices by Qualcomm are affected by a Use After Free vulnerability due to a race condition in the display driver function drm_atomic_nonblocking_commit() using the Linux kernel.
Understanding CVE-2018-5845
This CVE identifies a specific vulnerability affecting Qualcomm devices running Android for MSM, Firefox OS for MSM, and QRD Android.
What is CVE-2018-5845?
The CVE-2018-5845 vulnerability stems from a race condition in the display driver function drm_atomic_nonblocking_commit(), potentially leading to a Use After Free scenario in Android releases from CAF that utilize the Linux Kernel.
The Impact of CVE-2018-5845
The vulnerability may result in a Use After Free situation, allowing attackers to exploit the race condition in the display driver function and potentially execute arbitrary code or cause a denial of service.
Technical Details of CVE-2018-5845
Qualcomm's Android for MSM, Firefox OS for MSM, and QRD Android devices are susceptible to this vulnerability.
Vulnerability Description
The issue arises from a race condition in the display driver function drm_atomic_nonblocking_commit(), which can create a Use After Free scenario in Android releases from CAF using the Linux Kernel.
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 Use After Free vulnerability is triggered by a race condition in the display driver function, potentially allowing malicious actors to exploit the system.
Mitigation and Prevention
To address CVE-2018-5845, follow these steps:
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor official sources for updates and advisories regarding this vulnerability.
Long-Term Security Practices
- Regularly update your device's software and firmware to mitigate known vulnerabilities.
- Implement security best practices to protect against potential exploits.
Patching and Updates
- Stay informed about security bulletins and patches released by Qualcomm.
- Ensure timely installation of updates to safeguard against known vulnerabilities.