CVE-2017-7487 : Vulnerability Insights and Analysis
Learn about CVE-2017-7487, a vulnerability in the Linux kernel through version 4.11.1 that mishandles reference counts, potentially leading to denial of service. Find out how to mitigate and prevent exploitation.
In the Linux kernel through version 4.11.1, a vulnerability exists in the ipxitf_ioctl function that mishandles reference counts, potentially leading to a denial of service or other impacts.
Understanding CVE-2017-7487
What is CVE-2017-7487?
The CVE-2017-7487 vulnerability in the Linux kernel through version 4.11.1 allows local users to exploit a use-after-free issue in the ipxitf_ioctl function, triggering a denial of service or other unknown impacts.
The Impact of CVE-2017-7487
This vulnerability can be exploited by local users to cause a denial of service or potentially other unknown impacts by triggering a use-after-free scenario.
Technical Details of CVE-2017-7487
Vulnerability Description
The mishandling of reference counts in the ipxitf_ioctl function in the Linux kernel through version 4.11.1 can lead to a use-after-free vulnerability.
Affected Systems and Versions
- Product: Linux kernel through 4.11.1
- Versions: Linux kernel through 4.11.1
Exploitation Mechanism
The vulnerability occurs when a SIOCGIFADDR ioctl call fails for an IPX interface.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by the Linux kernel maintainers.
- Monitor official sources for updates and advisories regarding this vulnerability.
Long-Term Security Practices
- Regularly update the Linux kernel to the latest stable version.
- Implement least privilege access controls to limit the impact of potential exploits.
Patching and Updates
Stay informed about security patches and updates released by the Linux kernel maintainers to address the CVE-2017-7487 vulnerability.