CVE-2018-10675 : What You Need to Know
Learn about CVE-2018-10675, a Linux kernel vulnerability allowing local users to trigger a denial of service through crafted system calls. Find mitigation steps and affected versions here.
A vulnerability in the Linux kernel before version 4.12.9 could allow local users to trigger a denial of service or other impacts through crafted system calls.
Understanding CVE-2018-10675
This CVE entry describes a vulnerability in the Linux kernel that could be exploited by local users to cause a denial of service or potentially other impacts.
What is CVE-2018-10675?
The vulnerability exists in the do_get_mempolicy function in the mm/mempolicy.c file of the Linux kernel before version 4.12.9. It can be triggered by crafted system calls, leading to a use-after-free situation.
The Impact of CVE-2018-10675
The vulnerability could result in a denial of service condition or potentially cause other unspecified impacts on affected systems.
Technical Details of CVE-2018-10675
This section provides more technical insights into the CVE-2018-10675 vulnerability.
Vulnerability Description
The do_get_mempolicy function in the Linux kernel before 4.12.9 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impacts via crafted system calls.
Affected Systems and Versions
- Affected Systems: Linux kernel before version 4.12.9
- Affected Versions: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by local users through crafted system calls, leading to a use-after-free scenario.
Mitigation and Prevention
Protecting systems from CVE-2018-10675 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by the Linux kernel maintainers promptly.
- Monitor security advisories from vendors for updates related to this vulnerability.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user access and actions.
- Regularly update and patch the Linux kernel to address known vulnerabilities.
- Conduct security training for users to recognize and report suspicious activities.
Patching and Updates
Ensure that the Linux kernel is regularly updated to versions beyond 4.12.9 to mitigate the CVE-2018-10675 vulnerability.