CVE-2019-10207 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-10207, a vulnerability in Linux kernel's Bluetooth UART implementation. Learn about affected versions, exploitation, and mitigation steps.
A vulnerability has been discovered in the Bluetooth implementation of UART in the Linux kernel versions 3.x.x prior to 4.18.0 and 5.x.x. If an attacker gains physical access to the Bluetooth hardware with write privileges, they could exploit this flaw by executing a specifically designed ioctl function call, resulting in a system crash.
Understanding CVE-2019-10207
This CVE identifies a vulnerability in the Linux kernel's Bluetooth UART implementation that could lead to a system crash when exploited.
What is CVE-2019-10207?
The CVE-2019-10207 vulnerability pertains to a flaw in the Bluetooth implementation of UART in specific versions of the Linux kernel. Attackers with physical access to Bluetooth hardware and write privileges can trigger a system crash by executing a crafted ioctl function call.
The Impact of CVE-2019-10207
- Base Score: 4.7 (Medium Severity)
- Attack Vector: Local
- Attack Complexity: High
- Availability Impact: High
- Privileges Required: Low
- CWE ID: CWE-476
Technical Details of CVE-2019-10207
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability exists in the Bluetooth implementation of UART in Linux kernel versions 3.x.x before 4.18.0 and kernel 5.x.x. It can be exploited by attackers with physical access to Bluetooth hardware and write privileges.
Affected Systems and Versions
- Product: Kernel
- Vendor: Red Hat
- Affected Versions: All versions of kernel 3.x.x before 4.18.0 and kernel 5.x.x
Exploitation Mechanism
Attackers can exploit this vulnerability by executing a specifically designed ioctl function call after gaining physical access to Bluetooth hardware with write privileges.
Mitigation and Prevention
Protect your systems from CVE-2019-10207 with the following steps:
Immediate Steps to Take
- Apply patches provided by Red Hat to fix the vulnerability.
- Restrict physical access to Bluetooth hardware to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch your systems to prevent known vulnerabilities.
- Implement strict access controls to limit privileges and prevent unauthorized access.
Patching and Updates
Ensure that you regularly update your Linux kernel to versions that include the necessary patches to address CVE-2019-10207.