linux

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Xin Xiong 2ceeb3296e apparmor: fix reference count leak in aa_pivotroot()

commit 11c3627ec6 upstream.

The aa_pivotroot() function has a reference counting bug in a specific
path. When aa_replace_current_label() returns on success, the function
forgets to decrement the reference count of “target”, which is
increased earlier by build_pivotroot(), causing a reference leak.

Fix it by decreasing the refcount of “target” in that path.

Fixes: 2ea3ffb778 ("apparmor: add mount mediation")
Co-developed-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Co-developed-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-08-25 11:37:53 +02:00

apparmor

apparmor: fix reference count leak in aa_pivotroot()

2022-08-25 11:37:53 +02:00

bpf

bpf: Implement bpf_local_storage for inodes

2020-08-25 15:00:04 -07:00

integrity

lockdown: Fix kexec lockdown bypass with ima policy

2022-07-29 17:19:06 +02:00

keys

KEYS: fix length validation in keyctl_pkey_params_get_2()