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rules: create /dev/cpu/<n>/cpuid world readable

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I don't see any security implications, to be actually useful,
/dev/cpu/<n>/cpuid should be world readable. The cpuid instruction
can be called from userspace anyway, so there is nothing to hide.
The device does not support any write operation, so 0444 should
suffice.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
This commit is contained in:
Andre Przywara 2009-04-24 00:29:53 +02:00 committed by Kay Sievers
parent 19d7e87cc0
commit 57ec3a57f1
1 changed files with 1 additions and 1 deletions
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rules/rules.d/50-udev-default.rules
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@ -94,7 +94,7 @@ SUBSYSTEM=="aoe", KERNEL=="err", MODE="0440"
KERNEL=="tun", NAME="net/%k", MODE="0666"
# CPU
KERNEL=="cpu[0-9]*", NAME="cpu/%n/cpuid"
KERNEL=="cpu[0-9]*", NAME="cpu/%n/cpuid", MODE="0444"
KERNEL=="msr[0-9]*", NAME="cpu/%n/msr"
KERNEL=="microcode", NAME="cpu/microcode", MODE="0600"