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(parent: b8a4ddb) | patch
drivers/ptp: Fix kernel memory disclosure
authorVlad Tsyrklevich <vlad@tsyrklevich.net>
Tue, 11 Oct 2016 13:02:47 +0000 (15:02 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 13 Oct 2016 14:20:06 +0000 (10:20 -0400)
commit02a9079c66341836c4914c33c06a73245060df2e
tree55954839f7713011d9681f7626cfb5471d0a1d15tree | snapshot
parentb8a4ddb2e8f44f872fb93bbda2d541b27079fd2bcommit | diff
drivers/ptp: Fix kernel memory disclosure

The reserved field precise_offset->rsv is not cleared before being
copied to user space, leaking kernel stack memory. Clear the struct
before it's copied.

Signed-off-by: Vlad Tsyrklevich <vlad@tsyrklevich.net>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/ptp/ptp_chardev.c diff | blob | history
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