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Change History

In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: Fix potential null dereference on pointer status

There are calls to idxd_cmd_exec that pass a null status pointer however
a recent commit has added an assignment to *status that can end up
with a null pointer dereference.  The function expects a null status
pointer sometimes as there is a later assignment to *status where
status is first null checked.  Fix the issue by null checking status
before making the as

Linux https://git.kernel.org/stable/c/2280b4cc29d8cdd2be3d1b2d1ea4f958e2131c97 [No types assigned]

Linux https://git.kernel.org/stable/c/28ac8e03c43dfc6a703aa420d18222540b801120 [No types assigned]

Linux https://git.kernel.org/stable/c/5756f757c72501ef1a16f5f63f940623044180e9 [No types assigned]

Linux https://git.kernel.org/stable/c/7bc402f843e7817a4a808e7b9ab0bcd7ffd55bfa [No types assigned]