This information can help you determine if further mitigations are required. The tool inspects the kernel image, the system hardware, and the installed microcode to determine if the system as it is running is vulnerable to known transient execution attacks. As a diagnostic tool, Spectre and Meltdown Checker does not make any modifications to the system or the kernel.
While Spectre and Meltdown Checker does not itself mitigate any transient execution issues, it is a valuable tool to help you determine your system’s risk exposure.īecause transient execution attacks target microarchitectural features, the mitigations for these issues in many processors are often found in microcode and/or software. The script can run on-premises, in virtualized environments, and in containers.
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Cloud service providers, software vendors, and individual developers have been using the Spectre and Meltdown Checker since early 2018 to determine which of their systems have mitigations in place, which systems may have mitigations installed but disabled, and which systems might still be vulnerable to known transient execution attacks. The script, developed and maintained by the open source community, supports several open source operating systems (OSes), and looks for vulnerabilities on a variety of platforms from multiple hardware vendors. The Spectre and Meltdown Checker is a script used to check if a system is potentially vulnerable to transient execution attacks such as bounds check bypass and rogue system register read.
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