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[New: openFATE 323500] Kernel: Add support for new AppArmor rule types
Feature added by: Christian Boltz (cboltz)

Feature #323500, revision 1
Title: Kernel: Add support for new AppArmor rule types

openSUSE Distribution: Unconfirmed
Priority
Requester: Important

Requested by: Christian Boltz (cboltz)
Partner organization: openSUSE.org

Description:
[forwarded from https://bugzilla.opensuse.org/show_bug.cgi?id=1042082 ]

Support for several new AppArmor rule types is on the way to the upstream
kernel:

* dbus
* mount
* signal
* ptrace
* pivot_root
* unix

Also, support for profile stacking will be added and policy namespace support
improved.

Those new rule types are needed to make Snappy secure - without them, it's hard
or even impossible to make sure snaps don't do something they shouldn't. For
example, it would be impossible to restrict dbus access to only the required
parts.

Of course those new rules will also be useful for "normal" applications.

Note that adding support for those rules in a service pack is a bad idea
because it might need profile updates, therefore it would be a *very* good idea
to backport them to whatever kernel will be shipped in Leap 15/SLE 15.

The first base patches are already in 4.11. The next bunch is on its way to
4.12, and the goal is to get the final parts into 4.13 and 4.14. Upstream
(especially John Johansen) promised to send the pull request for 4.13 in the
next days. The remaining patches for 4.14 will follow in about two months - or
a bit earlier if you don't insist on the final version of those patches.



Addition by John:

Unfortunately upstream 4.13 will not be sufficient. The goal now is to get the
remaining changes into 4.14.

If backporting to an older kernel I would use the
git://kernel.ubuntu.com/jj/linux-apparmor-backports tree.

A new series of branches will be added based on the 4.13 version of apparmor.
It will provide a small patch series (2 base patches - 1 securityfs, 1 apparmor
and then any necessary backport patches for the target kernel version).

The final version of the 4.13 backport branch will not be available until at
earliest the close of the 4.13 merge window. But a early version could be made
available next week.


--
openSUSE Feature:
https://features.opensuse.org/323500

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