CVE-2018-5826 Explained : Impact and Mitigation
Learn about CVE-2018-5826, a Use After Free vulnerability in Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android, potentially allowing arbitrary code execution. Find mitigation steps and affected systems here.
A Use After Free vulnerability in Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android can lead to a security issue in devices running on certain Android releases from CAF.
Understanding CVE-2018-5826
This CVE identifies a specific vulnerability in Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android that can result in a Use After Free condition in the WLAN driver.
What is CVE-2018-5826?
A Use After Free condition may arise in the WLAN driver of Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android when utilizing any Android releases from CAF, with the Linux kernel version preceding security patch level 2018-04-05, due to a race condition.
The Impact of CVE-2018-5826
This vulnerability could potentially allow attackers to execute arbitrary code or cause a denial of service on affected devices, compromising their security and stability.
Technical Details of CVE-2018-5826
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability stems from a Use After Free condition in the WLAN driver of Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android, affecting devices using specific Android releases from CAF with the Linux kernel version prior to the 2018-04-05 security patch.
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 occurs due to a race condition in the WLAN driver, allowing malicious actors to exploit the Use After Free issue.
Mitigation and Prevention
To address CVE-2018-5826 and enhance system security, follow these mitigation strategies:
Immediate Steps to Take
- Apply security patches and updates promptly to ensure the latest protection against known vulnerabilities.
- Monitor vendor security bulletins for relevant information on patches and fixes.
Long-Term Security Practices
- Implement regular security audits and assessments to identify and remediate potential vulnerabilities.
- Employ network segmentation and access controls to limit the impact of security breaches.
Patching and Updates
- Regularly check for and apply security updates provided by Qualcomm and relevant vendors to mitigate the risk of exploitation.