https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211580
Bug ID: 211580
Summary: deny system message buffer access from jails
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
We should prevent jails from being able to read the kernel message buffer (deny
dmesg). That seems to currently be possible...
root@:/ # sysctl -a | grep jailed
security.jail.jailed: 1
root@:/ # dmesg | wc -l
1771
root@:/ #
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