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Matthew Garrett f474e1486b ACPI: Limit access to custom_method when the kernel is locked down 
custom_method effectively allows arbitrary access to system memory, making
it possible for an attacker to circumvent restrictions on module loading.
Disable it if the kernel is locked down.

Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: linux-acpi@vger.kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
2019-08-19 21:54:16 -07:00
arch
x86/msr: Restrict MSR access when the kernel is locked down
2019-08-19 21:54:16 -07:00
block
blk-mq: fix up placement of debugfs directory of queue files
2019-07-06 10:07:38 -06:00
certs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
crypto
kexec_file: split KEXEC_VERIFY_SIG into KEXEC_SIG and KEXEC_SIG_FORCE
2019-08-19 21:54:15 -07:00
Documentation
security: Add a static lockdown policy LSM
2019-08-19 21:54:15 -07:00
drivers
ACPI: Limit access to custom_method when the kernel is locked down
2019-08-19 21:54:16 -07:00
fs
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-06 09:53:08 -07:00
include
ACPI: Limit access to custom_method when the kernel is locked down
2019-08-19 21:54:16 -07:00
init
lockdown: Enforce module signatures if the kernel is locked down
2019-08-19 21:54:15 -07:00
ipc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
kernel
hibernate: Disable when the kernel is locked down
2019-08-19 21:54:15 -07:00
lib
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2019-07-05 13:31:19 +09:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
Revert "mm: page cache: store only head pages in i_pages"
2019-07-05 19:55:18 -07:00
net
Merge tag 'nfsd-5.2-2' of git://linux-nfs.org/~bfields/linux
2019-07-05 19:00:37 -07:00
samples
samples: make pidfd-metadata fail gracefully on older kernels
2019-06-24 15:55:50 +02:00
scripts
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
2019-06-19 17:11:22 +02:00
security
ACPI: Limit access to custom_method when the kernel is locked down
2019-08-19 21:54:16 -07:00
sound
Merge tag 'sound-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2019-07-05 02:03:50 +09:00
tools
KVM: nVMX: Change KVM_STATE_NESTED_EVMCS to signal vmcs12 is copied from eVMCS
2019-07-02 19:02:45 +02:00
usr
user/Makefile: Fix typo and capitalization in comment section
2018-12-11 00:18:03 +09:00
virt
Merge tag 'spdx-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
2019-06-21 09:58:42 -07:00
.clang-format
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-04-17 11:26:25 -07:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
.gitignore: exclude .get_maintainer.ignore and .gitattributes
2019-05-18 11:49:54 +09:00
.mailmap
MAINTAINERS: Update my email address
2019-06-18 14:37:27 +01:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Farewell Martin Schwidefsky
2019-05-31 10:14:11 +02:00
Kbuild
Merge tag 'kbuild-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2019-03-10 17:48:21 -07:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Merge tag 'mips_fixes_5.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2019-07-06 10:32:12 -07:00
Makefile
Linux 5.2
2019-07-07 15:41:56 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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