CVE-2018-10087 : Vulnerability Insights and Analysis
Learn about CVE-2018-10087, a vulnerability in the Linux kernel prior to version 4.13 that could allow local users to cause a denial of service by triggering an attempted use of the -INT_MIN value. Find out how to mitigate and prevent this issue.
In the Linux kernel prior to version 4.13, a vulnerability exists that could allow local users to cause a denial of service by triggering an attempted use of the -INT_MIN value.
Understanding CVE-2018-10087
This CVE entry describes a specific vulnerability in the Linux kernel that could be exploited by local users to disrupt system operations.
What is CVE-2018-10087?
The vulnerability in the kernel_wait4 function in the Linux kernel before version 4.13, when used with an unspecified architecture and compiler, may enable local users to trigger a denial of service by attempting to use the -INT_MIN value.
The Impact of CVE-2018-10087
The impact of this vulnerability is the potential for local users to disrupt system functionality, leading to a denial of service condition.
Technical Details of CVE-2018-10087
This section provides more in-depth technical details about the CVE.
Vulnerability Description
The kernel_wait4 function in kernel/exit.c in the Linux kernel before 4.13, when an unspecified architecture and compiler is used, might allow local users to cause a denial of service by triggering an attempted use of the -INT_MIN value.
Affected Systems and Versions
- Affected systems: Linux kernel versions prior to 4.13
- Affected architecture and compiler: Unspecified
Exploitation Mechanism
The vulnerability can be exploited by local users provoking an attempt to utilize the -INT_MIN value, leading to a denial of service.
Mitigation and Prevention
Protecting systems from CVE-2018-10087 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply relevant patches and updates to the Linux kernel to mitigate the vulnerability.
- Monitor system logs for any unusual activities that could indicate exploitation attempts.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user access and actions.
- Regularly update and patch the kernel and other software components to address security flaws.
Patching and Updates
Regularly check for and apply security patches provided by the Linux kernel maintainers to address vulnerabilities like CVE-2018-10087.