linux-kernel - Re: [GIT PULL] EFI urgent fixes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20140411082716.GC15418@gmail.com>
Date:	Fri, 11 Apr 2014 10:27:16 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>, linux-efi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] EFI urgent fixes


* Matt Fleming <matt@...sole-pimps.org> wrote:

> Guys, please pull the following. One of the fixes is for a regression
> introduced during the merge window. The other two are bugs that have
> existed in the EFI boot stub for a while, but which have only just been
> reported.
> 
> I'm going to take care of submitting the later two to stable separately
> because they won't apply cleanly as-is.
> 
> The following changes since commit 204b0a1a4b92612c957a042df1a3be0e9cc79391:
> 
>   x86, efi: Abstract x86 efi_early calls (2014-03-26 11:30:03 -0700)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git tags/efi-urgent
> 
> for you to fetch changes up to 47514c996fac5e6f13ef3a4c5e23f1c5cffabb7b:
> 
>   efi: Pass correct file handle to efi_file_{read,close} (2014-04-10 21:20:03 +0100)
> 
> ----------------------------------------------------------------
>  * Fix EFI boot regression introduced during the merge window where the
>    firmware was reading random values from the stack because we were
>    passing a pointer to the wrong object type.
> 
>  * Kernel corruption has been reported when booting with the EFI boot
>    stub which was tracked down to setting a bogus value for
>    bp->hdr.code32_start, resulting in corruption during relocation.
> 
>  * Olivier Martin reported that the wrong file handles were being passed
>    to efi_file_(read|close), which works for x86 by luck due to the way
>    that the FAT driver is implemented, but doesn't work on ARM.
> 
> ----------------------------------------------------------------
> Matt Fleming (3):
>       x86/efi: Fix boot failure with EFI stub
>       x86/efi: Correct EFI boot stub use of code32_start
>       efi: Pass correct file handle to efi_file_{read,close}
> 
>  arch/x86/boot/compressed/eboot.c       | 19 ++++++++++---------
>  arch/x86/boot/compressed/head_32.S     |  8 ++------
>  arch/x86/boot/compressed/head_64.S     |  9 +++------
>  drivers/firmware/efi/efi-stub-helper.c |  6 +++---
>  4 files changed, 18 insertions(+), 24 deletions(-)

Pulled, thanks a lot Matt!

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/