Re: RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to RETBleed attacks, data leaks possible!
From: Greg Kroah-Hartman
Date: Thu Jul 14 2022 - 05:01:22 EST
On Thu, Jul 14, 2022 at 02:15:07PM +0530, Naresh Kamboju wrote:
> Results from Linaro’s test farm.
> We are booting the i386 kernel on an x86 machine.
> With Spectre V2 patches merged into Linux mainline we have been noticing
> RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to
> RETBleed attacks, data leaks possible!
That's funny. I don't think that's a valid combination that should be
cared about, but I'll leave it to Pawan to comment if it is something
that is "real" to be concerned for.