Meltdown

Backup before updating software

The ancient Greeks once warned about “the cure being worse than the disease.” Unfortunately, that’s exactly what’s happened when Microsoft released its patches for the Meltdown-Spectre vulnerabilities.

Microsoft’s fix is bricking some computers, proving once again that creating a backup before installing any system update is critical.

Spectre and Meltdown

New security research has been made public revealing the Meltdown (CVE-2017-5754) and Spectre (CVE-2017-5753 and CVE-2017-5715) vulnerabilities in modern processors. These vulnerabilities allow programs to break the isolation between applications, which means malicious applications could access the memory of another program running on the same machine. (For a detailed attack description, please visit https://spectreattack.com/ or https://meltdownattack.com/.)

It is important to note that these vulnerabilities can only be exploited locally, meaning a malicious actor must be able to run code on the system in order to exploit these vulnerabilities.