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Critical vulnerability affecting most Linux distros allows for bootkits
(arstechnica.com)
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this post was submitted on 07 Feb 2024
149 points (87.8% liked)
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It’s the last sentence of the article - 9.8/10. In this case it’s probably called critical because of the potential consequences of the exploit being a full machine takeover, not the likeliness of the exploit being used.
It means that CVSS is calculated wrong. It can't be so big because default configuration is not affected and attacker requires admin access to change it.
Admin or physical access.
I mean take a look at the report. Still not sure how it’s “wrong”.
https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?name=CVE-2023-40547&vector=AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H&version=3.1&source=NIST