From: Greg KH <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: jroedel@suse.de, stable-commits@vger.kernel.org
Subject: Re: Patch "x86/boot/compressed/64: Check SEV encryption in the 32-bit boot-path" has been added to the 5.12-stable tree
Date: Sat, 8 May 2021 12:26:40 +0200 [thread overview]
Message-ID: <YJZnYDty7Siyo68k@kroah.com> (raw)
In-Reply-To: <20210508032224.039CF613ED@mail.kernel.org>
On Fri, May 07, 2021 at 11:22:23PM -0400, Sasha Levin wrote:
> This is a note to let you know that I've just added the patch titled
>
> x86/boot/compressed/64: Check SEV encryption in the 32-bit boot-path
>
> to the 5.12-stable tree which can be found at:
> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>
> The filename of the patch is:
> x86-boot-compressed-64-check-sev-encryption-in-the-3.patch
> and it can be found in the queue-5.12 subdirectory.
>
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@vger.kernel.org> know about it.
>
>
>
> commit 2c622aeb46b16fd945fc681fec16b989940b826d
> Author: Joerg Roedel <jroedel@suse.de>
> Date: Fri Mar 12 13:38:23 2021 +0100
>
> x86/boot/compressed/64: Check SEV encryption in the 32-bit boot-path
>
> [ Upstream commit fef81c86262879d4b1176ef51a834c15b805ebb9 ]
>
> Check whether the hypervisor reported the correct C-bit when running
> as an SEV guest. Using a wrong C-bit position could be used to leak
> sensitive data from the guest to the hypervisor.
>
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> Link: https://lkml.kernel.org/r/20210312123824.306-8-joro@8bytes.org
> Signed-off-by: Sasha Levin <sashal@kernel.org>
This breaks the build (link time) for 5.12, 5.11, and 5.10 trees, so
I'll go drop it for now.
if it needs to come back, can someone submit a working version?
thanks,
greg k-h
next parent reply other threads:[~2021-05-08 10:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210508032224.039CF613ED@mail.kernel.org>
2021-05-08 10:26 ` Greg KH [this message]
2021-05-18 11:39 ` [PATCH stable-5.10,5.11,5.12] x86/boot/compressed/64: Check SEV encryption in the 32-bit boot-path Joerg Roedel
2021-05-18 11:40 ` Joerg Roedel
2021-05-24 12:50 ` Greg KH
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