From 614648ffa6750dbad9c4d68bafd68da49ca23ba6 Mon Sep 17 00:00:00 2001 From: Mikaela Suomalainen Date: Mon, 30 Sep 2019 00:03:01 +0300 Subject: [PATCH] operating-systems: add Linux in front of kernel (#1364) Co-authored-by: Dawid Potocki --- _includes/sections/operating-systems.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/_includes/sections/operating-systems.html b/_includes/sections/operating-systems.html index dcae2b2a..37333029 100644 --- a/_includes/sections/operating-systems.html +++ b/_includes/sections/operating-systems.html @@ -56,7 +56,7 @@ gitlab="https://salsa.debian.org/qa/debsources"

This also affects Windows 10, but it doesn't expose this information or mitigation instructions as easily. MacOS users check How to enable full mitigation for Microarchitectural Data Sampling (MDS) vulnerabilities on Apple Support.

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When running a enough recent kernel, you can check the CPU vulnerabilities it detects by tail -n +1 /sys/devices/system/cpu/vulnerabilities/*. By using tail -n +1 instead of cat, the file names are also visible.

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When running a enough recent Linux kernel, you can check the CPU vulnerabilities it detects by tail -n +1 /sys/devices/system/cpu/vulnerabilities/*. By using tail -n +1 instead of cat, the file names are also visible.

In case you have an Intel CPU, you may notice "SMT vulnerable" display after running the tail command. To mitigate this, disable hyper-threading from the UEFI/BIOS. You can also take the following mitigation steps below if your system/distribution uses GRUB and supports /etc/default/grub.d/: