Date: Thu, 04 Aug 2016 15:26:08 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 211580] deny system message buffer access from jails Message-ID: <bug-211580-8@https.bugs.freebsd.org/bugzilla/>
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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: freebsd-bugs@FreeBSD.org Reporter: bz@FreeBSD.org 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@:/ # -- You are receiving this mail because: You are the assignee for the bug.help
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