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(parent: b7e5d8a) | patch
sr9700: sanity check for packet length
authorOliver Neukum <oneukum@suse.com>
Thu, 17 Feb 2022 13:10:44 +0000 (14:10 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 2 Mar 2022 10:32:00 +0000 (11:32 +0100)
commit89260e0e191e8a3a9872f72836bdf0641853c87f
treeb19806abbcb6a4c39354cc1fa9377104d28fbe41tree
parentb7e5d8a1c79a827d98164911dbd788f42e2ae104commit | diff
sr9700: sanity check for packet length

commit e9da0b56fe27206b49f39805f7dcda8a89379062 upstream.

A malicious device can leak heap data to user space
providing bogus frame lengths. Introduce a sanity check.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reviewed-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/usb/sr9700.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git