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Input: psmouse - fix OOB access in Elantech protocol
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Thu, 11 May 2023 19:08:37 +0000 (12:08 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Jun 2023 09:16:53 +0000 (11:16 +0200)
commit3c078a31648db3ec9409ea91b810973be11d1b3c
tree93ef4dade8a5ec5f03e6e32b1b3c14155feaf1d3tree
parent2085c98d48287254ffa655fa7a5eae451f8f0039commit | diff
Input: psmouse - fix OOB access in Elantech protocol

commit 7b63a88bb62ba2ddf5fcd956be85fe46624628b9 upstream.

The kernel only allocate 5 MT slots; check that transmitted slot ID
falls within the acceptable range.

Link: https://lore.kernel.org/r/ZFnEL91nrT789dbG@google.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/input/mouse/elantech.c diff | blob | history
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