How to check your Linux system for the Spectre and Meltdown vulnerabilities

in #linux7 years ago

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Hello in this video i am going to show how to get and run the script to tell if your Linux installation is vulnerable against the Spectre Variant 1 , Variant 2 and Meltdown vulnerabilities.
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Meltdown and Spectre exploit critical vulnerabilities in modern processors. These hardware vulnerabilities allow programs to steal data which is currently processed on the computer. While programs are typically not permitted to read data from other programs, a malicious program can exploit Meltdown and Spectre to get hold of secrets stored in the memory of other running programs. This might include your passwords stored in a password manager or browser, your personal photos, emails, instant messages and even business-critical documents.
Meltdown and Spectre work on personal computers, mobile devices, and in the cloud. Depending on the cloud provider's infrastructure, it might be possible to steal data from other customers.

Commands:

Install git

On Debian and Debian based distros "sudo apt install git"

Install git

On Fedora and Fedora based distros "sudo dnf install git"

Install git

On Arch Linux and Arch Linux based distros "sudo pacman -S git"

Install git

On Solus "sudo eopkg install git"

Go to the tmp directory

cd /tmp

Clone the spectre meltdown checker script

git clone https://github.com/speed47/spectre-meltdown-checker

Go to the script directory

cd spectre-meltdown-checker

Run the spectre meltdown checker script

sudo ./spectre-meltdown-checker.sh

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Very good information about this new vulnerabilities.
What linux do you use for desktop?

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I'll look to try this on my Ubuntu machine once I get it back. Thanks for the info @ribalinux

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