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Message-ID: <3a7ec6d5-2959-3daa-a540-ac6389dc15f0@tao.at>
Date: Fri, 17 Jan 2020 09:10:07 +0100
From: Sven Schwedas <sven.schwedas@....at>
To: oss-security@...ts.openwall.com
Subject: Re: Some AMD cpus with RDRAND fail to produce random
numbers after suspend/resume
On 17.01.20 05:21, Jeffrey Walton wrote:
> I agree with Lennart Poettering. This seems CVE worthy given RDRAND is
> often used to get the kernel generator (and other userland generators)
> in good working order.
>From my understanding it's harmless as far as linux's kernel generator
is concerned, as it's just xor'd to other entropy sources?
CVEs should only be needed on a case-by-case basis for userland
generators that aren't properly engineered.
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