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f474e1486b
linux/security
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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
..
apparmor apparmor: reset pos on failure to unpack for various functions 2019-06-18 16:04:16 -07:00
integrity kexec_file: split KEXEC_VERIFY_SIG into KEXEC_SIG and KEXEC_SIG_FORCE 2019-08-19 21:54:15 -07:00
keys treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
loadpin treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
lockdown ACPI: Limit access to custom_method when the kernel is locked down 2019-08-19 21:54:16 -07:00
safesetid treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
selinux treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
smack treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tomoyo treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
yama treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
commoncap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
device_cgroup.c device_cgroup: fix RCU imbalance in error case 2019-03-19 10:46:15 -07:00
inode.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Kconfig security: Add a static lockdown policy LSM 2019-08-19 21:54:15 -07:00
Kconfig.hardening treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
lsm_audit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile security: Add a static lockdown policy LSM 2019-08-19 21:54:15 -07:00
min_addr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
security.c security: Add a "locked down" LSM hook 2019-08-19 21:54:15 -07:00