CVE-2018-12126 Explained : Impact and Mitigation
Learn about CVE-2018-12126 affecting Intel processors. Discover the impact, affected systems, exploitation mechanism, and mitigation steps to secure your systems.
The Microarchitectural Store Buffer Data Sampling (MSBDS) vulnerability affects certain Intel processors, potentially leading to information leakage through a side channel.
Understanding CVE-2018-12126
What is CVE-2018-12126?
The MSBDS vulnerability stems from store buffers in microprocessors utilizing speculative execution, allowing unauthorized information disclosure when a local user accesses the system.
The Impact of CVE-2018-12126
The vulnerability can enable information leakage through a side channel, particularly when an authorized user is locally accessing the system.
Technical Details of CVE-2018-12126
Vulnerability Description
- The MSBDS vulnerability arises from store buffers in certain microprocessors using speculative execution.
Affected Systems and Versions
- Product: Central Processing Units (CPUs)
- Vendor: Intel Corporation
- Versions: A list of impacted products can be found in the provided link.
Exploitation Mechanism
- The vulnerability allows an authenticated user to potentially enable information disclosure via a side channel with local access.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates and patches provided by Intel.
- Implement security best practices to mitigate the risk of information leakage.
Long-Term Security Practices
- Regularly update microcode and firmware to address known vulnerabilities.
- Monitor security advisories from Intel and other relevant sources.
Patching and Updates
- Stay informed about security updates and advisories from Intel to apply patches promptly.