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Re: Is NetBSD vulnerable to modern processor flaws

On Wednesday, January 3, 2018, Christos Zoulas <> wrote:
In article <>,
Chuck Zmudzinski  <> wrote:
>Today news of critical vulnerabilities (for example,
>) affecting Intel and Arm and maybe AMD processors hit the press. News
>reports say all platforms using these chips, such as Linux, Microsoft,
>and Apple are affected since the flaw is in hardware but the fix must be
>made in the software operating system kernel. It has been reported that
>Linux developers say the fix involves fundamental changes to the way the
>Linux kernel handles virtual memory and they have been working on the
>fix for a while (see for example,
>). I could not tell from NetBSD security documentation if NetBSD is
>vulnerable to these flaws or not or if work has been done in NetBSD to
>mitigate these security flaws in the hardware that NetBSD runs on. Can
>anyone say if NetBSD is vulnerable?

Yes, NetBSD is vulnerable on the processors affected.


 Thanks for letting us know.

Chuck Zmudzinski 

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