CVE-2018-3561 Explained : Impact and Mitigation
Learn about CVE-2018-3561, a Use After Free vulnerability in diag_ioctl_lsm_deinit() affecting Android for MSM, Firefox OS for MSM, QRD Android, and CAF releases.
A Use After Free vulnerability in diag_ioctl_lsm_deinit() affects various Android releases from CAF, leading to a race condition.
Understanding CVE-2018-3561
This CVE involves a race condition in diag_ioctl_lsm_deinit() in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF.
What is CVE-2018-3561?
A Use After Free condition occurs in diag_ioctl_lsm_deinit() due to a race condition in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF that utilize the Linux kernel.
The Impact of CVE-2018-3561
The vulnerability can be exploited to potentially execute arbitrary code or cause a denial of service on affected systems.
Technical Details of CVE-2018-3561
This section provides more technical insights into the CVE.
Vulnerability Description
In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, a race condition in diag_ioctl_lsm_deinit() leads to a Use After Free condition.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability arises due to a race condition in diag_ioctl_lsm_deinit(), allowing attackers to trigger a Use After Free condition.
Mitigation and Prevention
Protecting systems from CVE-2018-3561 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply security patches provided by the relevant vendors promptly.
- Monitor vendor communications for updates and advisories.
- Implement least privilege access controls to limit the impact of potential exploits.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify vulnerabilities.
- Educate users and administrators on secure practices and awareness.
- Employ intrusion detection/prevention systems to monitor and block malicious activities.
Patching and Updates
Regularly check for security updates and patches from the respective vendors to address CVE-2018-3561.