Hier gibt es ein Script zum checken der Lücken

https://9300.hostserv.eu/bibel/index.php/Meltdown_%26_Spectre

Spectre and Meltdown mitigation detection tool v0.31

Checking for vulnerabilities against running kernel Linux 4.14.15-1-ARCH #1 SMP PREEMPT Tue Jan 23 21:49:25 UTC 2018 x86_64
CPU is Intel(R) Core(TM) i5-4670K CPU @ 3.40GHz

CVE-2017-5753 [bounds check bypass] aka 'Spectre Variant 1'
* Checking whether we're safe according to the /sys interface:  NO  (kernel confirms your system is vulnerable)
> STATUS:  VULNERABLE  (Vulnerable)

CVE-2017-5715 [branch target injection] aka 'Spectre Variant 2'
* Checking whether we're safe according to the /sys interface:  YES  (kernel confirms that the mitigation is active)
> STATUS:  NOT VULNERABLE  (Mitigation: Full generic retpoline)

CVE-2017-5754 [rogue data cache load] aka 'Meltdown' aka 'Variant 3'
* Checking whether we're safe according to the /sys interface:  YES  (kernel confirms that the mitigation is active)
> STATUS:  NOT VULNERABLE  (Mitigation: PTI)

A false sense of security is worse than no security at all, see --disclaimer

Habs mal laufen lassen

Spectre and Meltdown mitigation detection tool v0.31

Note that you should launch this script with root privileges to get accurate information.
We'll proceed but you might see permission denied errors.
To run it as root, you can try the following command: sudo ./Melt_Spec_Checker

Checking for vulnerabilities against running kernel Linux 4.15.3-1-ARCH #1 SMP PREEMPT Mon Feb 12 23:01:17 UTC 2018 x86_64
CPU is Intel(R) Core(TM) i5-4670K CPU @ 3.40GHz

CVE-2017-5753 [bounds check bypass] aka 'Spectre Variant 1'
* Checking whether we're safe according to the /sys interface:  YES  (kernel confirms that the mitigation is active)
> STATUS:  NOT VULNERABLE  (Mitigation: __user pointer sanitization)

CVE-2017-5715 [branch target injection] aka 'Spectre Variant 2'
* Checking whether we're safe according to the /sys interface:  YES  (kernel confirms that the mitigation is active)
> STATUS:  NOT VULNERABLE  (Mitigation: Full generic retpoline)

CVE-2017-5754 [rogue data cache load] aka 'Meltdown' aka 'Variant 3'
* Checking whether we're safe according to the /sys interface:  YES  (kernel confirms that the mitigation is active)
> STATUS:  NOT VULNERABLE  (Mitigation: PTI)

A false sense of security is worse than no security at all, see --disclaimer

😃 😃

Jetzt habt ihr euch aber ein paar Bier verdient.

Link:
https://9300.hostserv.eu/bibel/index.php/Meltdown_%26_Spectre