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kernel: Activate CONFIG_ARM64_SW_TTBR0_PAN

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This activates the CONFIG_ARM64_SW_TTBR0_PAN option for all arm64
kernels by default.

The CONFIG_ARM64_SW_TTBR0_PAN option prevents the kernel form accessing
user space memory directly. This makes it harder to exploit the kernel.

This is activated by default and was already activate on all other arm64
targets before.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2023-04-22 19:52:22 +02:00
parent 626b37d70a
commit ca5555d27e
4 changed files with 0 additions and 4 deletions
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1
target/linux/mediatek/filogic/config-5.15
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@ -24,7 +24,6 @@ CONFIG_ARM64_MODULE_PLTS=y
CONFIG_ARM64_PAGE_SHIFT=12
CONFIG_ARM64_PA_BITS=48
CONFIG_ARM64_PA_BITS_48=y
# CONFIG_ARM64_SW_TTBR0_PAN is not set
CONFIG_ARM64_TAGGED_ADDR_ABI=y
CONFIG_ARM64_VA_BITS=39
CONFIG_ARM64_VA_BITS_39=y

1
target/linux/mediatek/mt7622/config-5.15
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@ -26,7 +26,6 @@ CONFIG_ARM64_MODULE_PLTS=y
CONFIG_ARM64_PAGE_SHIFT=12
CONFIG_ARM64_PA_BITS=48
CONFIG_ARM64_PA_BITS_48=y
# CONFIG_ARM64_SW_TTBR0_PAN is not set
CONFIG_ARM64_TAGGED_ADDR_ABI=y
CONFIG_ARM64_VA_BITS=39
CONFIG_ARM64_VA_BITS_39=y

1
target/linux/rockchip/armv8/config-5.10
View File

@ -36,7 +36,6 @@ CONFIG_ARM64_PA_BITS_48=y
CONFIG_ARM64_PTR_AUTH=y
CONFIG_ARM64_RAS_EXTN=y
CONFIG_ARM64_SVE=y
# CONFIG_ARM64_SW_TTBR0_PAN is not set
CONFIG_ARM64_TAGGED_ADDR_ABI=y
CONFIG_ARM64_UAO=y
CONFIG_ARM64_VA_BITS=48

1
target/linux/rockchip/armv8/config-5.15
View File

@ -40,7 +40,6 @@ CONFIG_ARM64_PTR_AUTH=y
CONFIG_ARM64_PTR_AUTH_KERNEL=y
CONFIG_ARM64_RAS_EXTN=y
CONFIG_ARM64_SVE=y
# CONFIG_ARM64_SW_TTBR0_PAN is not set
CONFIG_ARM64_TAGGED_ADDR_ABI=y
CONFIG_ARM64_VA_BITS=48
# CONFIG_ARM64_VA_BITS_39 is not set