CVE-2018-5750 : What You Need to Know

CVE-2018-5750 was published on January 26, 2018, and affects the Linux kernel up to version 4.14.15. This vulnerability allows local users to access sensitive address information through a specific function.

Understanding CVE-2018-5750

What is CVE-2018-5750?

The acpi_smbus_hc_add function in the Linux kernel up to version 4.14.15 can be exploited by local users to gather confidential address details by accessing dmesg data via an SBS HC printk call.

The Impact of CVE-2018-5750

This vulnerability enables unauthorized users to obtain sensitive address information, potentially leading to privacy breaches and unauthorized access.

Technical Details of CVE-2018-5750

Vulnerability Description

The acpi_smbus_hc_add function in the Linux kernel through version 4.14.15 allows local users to obtain sensitive address information by reading dmesg data from an SBS HC printk call.

Affected Systems and Versions

Product: Linux kernel
Versions affected: Up to 4.14.15

Exploitation Mechanism

Local users can exploit this vulnerability by accessing dmesg data via an SBS HC printk call, allowing them to gather confidential address details.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by the Linux kernel maintainers promptly.
Monitor security advisories for updates and apply them as soon as they are available.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Regularly review and update security configurations to mitigate potential vulnerabilities.

Patching and Updates

Regularly check for updates and patches from the Linux kernel maintainers to address security vulnerabilities promptly.