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sys-kernel/coreos-modules: Enable some kernel hardening features

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SLAB_FREELIST_RANDOM: Randomize slab allocator freelist order,
c7ce4f60ac199fb3521c5fcd64da21cee801ec2b

IO_STRICT_DEVMEM: Disallow access to /dev/mem regions that are bound
to a kernel driver, 90a545e981267e917b9d698ce07affd69787db87

HARDENED_USERCOPY: Add more address range checks to copy_{from,to}_user(),
f5509cc18daa7f82bcc553be70df2117c8eedc16
This commit is contained in:
Benjamin Gilbert 2017-05-04 14:18:11 -07:00
parent e0b7a7a5f1
commit ee1709b256
3 changed files with 3 additions and 0 deletions
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0
sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.11.0.ebuild → sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.11.0-r1.ebuild vendored
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sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-4.11.0.ebuild → sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-4.11.0-r1.ebuild vendored
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3
sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/commonconfig-4.11 vendored
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@ -815,12 +815,15 @@ CONFIG_LATENCYTOP=y
CONFIG_KPROBE_EVENTS=y
CONFIG_BPF_EVENTS=y
CONFIG_MEMTEST=y
CONFIG_SLAB_FREELIST_RANDOM=y
CONFIG_STRICT_DEVMEM=y
CONFIG_IO_STRICT_DEVMEM=y
CONFIG_TRUSTED_KEYS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_NETWORK_XFRM=y
CONFIG_HARDENED_USERCOPY=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_IMA=y