CVE-2019-14816 Explained : Impact and Mitigation
Learn about CVE-2019-14816, a medium-severity vulnerability in the Linux kernel's Marvell WiFi chip driver, allowing local users to disrupt system operations or execute unauthorized code. Find mitigation steps and patching details here.
A vulnerability has been identified in the Linux kernel's Marvell WiFi chip driver, affecting all versions except 5.3. This vulnerability involves a heap-based buffer overflow, allowing local users to interrupt system operations or potentially execute unauthorized code.
Understanding CVE-2019-14816
This CVE record details a medium-severity vulnerability in the Linux kernel's Marvell WiFi chip driver.
What is CVE-2019-14816?
CVE-2019-14816 is a heap-based buffer overflow vulnerability in the Marvell WiFi chip driver of the Linux kernel, impacting all versions except 5.3. It can be exploited by local users to disrupt system operations or execute unauthorized code.
The Impact of CVE-2019-14816
- CVSS Base Score: 5.5 (Medium)
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: Low
- Availability Impact: High
- This vulnerability could lead to system crashes or unauthorized code execution by local users.
Technical Details of CVE-2019-14816
This section provides in-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability involves a heap-based buffer overflow in the Marvell WiFi chip driver of the Linux kernel, allowing local users to disrupt system operations or execute unauthorized code.
Affected Systems and Versions
- Affected Product: Kernel
- Vendor: Linux
- Affected Versions: All versions up to, excluding 5.3
Exploitation Mechanism
The vulnerability can be exploited by local users to trigger a heap-based buffer overflow, leading to system crashes or potential execution of unauthorized code.
Mitigation and Prevention
Protecting systems from CVE-2019-14816 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor advisories and update systems accordingly.
Long-Term Security Practices
- Regularly update and patch the Linux kernel to mitigate known vulnerabilities.
- Implement the principle of least privilege to limit the impact of potential exploits.
Patching and Updates
- Refer to vendor advisories for specific patch information.