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Cengiz Can 35fdfb767d apparmor: use target task's context in apparmor_getprocattr()

commit 4afc61702b upstream.

apparmor_getprocattr() incorrectly calls task_ctx(current) instead of
task_ctx(task) when retrieving prev and exec attributes, returning the
caller's labels rather than the target's.

Fix by passing task to task_ctx().

The issue can be reproduced when a process with an onexec transition
(e.g., configured by a container runtime) is inspected via
/proc/<pid>/attr/apparmor/exec. The reader's own value is returned
instead of the target's.

Reported-by: Qualys Security Advisory <qsa@qualys.com>
Fixes: 3b529a7600 ("apparmor: move task domain change info to task security")
Cc: stable@vger.kernel.org
Co-developed-by: Cengiz Can <cengiz.can@canonical.com>
Signed-off-by: Cengiz Can <cengiz.can@canonical.com>
Co-developed-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2026-05-07 06:09:40 +02:00

apparmor

apparmor: use target task's context in apparmor_getprocattr()

2026-05-07 06:09:40 +02:00

bpf

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integrity

ima: do not copy measurement list to kdump kernel

2026-04-27 07:24:24 -06:00

ipe

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