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(parent: 0af0493) | patch
media: fix: media: pci: meye: validate offset to avoid arbitrary access
authorLao Wei <zrlw@qq.com>
Mon, 9 Jul 2018 12:15:53 +0000 (08:15 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Wed, 12 Sep 2018 14:47:50 +0000 (10:47 -0400)
commiteac7230fdb4672c2cb56f6a01a1744f562c01f80
treee4ef1a15e1dc52ad6f141b19a5fdfc3d1ab9e20atree | snapshot
parent0af04934be0046ec056074edfb176f42a21da6f0commit | diff
media: fix: media: pci: meye: validate offset to avoid arbitrary access

Motion eye video4linux driver for Sony Vaio PictureBook desn't validate user-controlled parameter
'vma->vm_pgoff', a malicious process might access all of kernel memory from user space by trying
pass different arbitrary address.
Discussion: http://www.openwall.com/lists/oss-security/2018/07/06/1

Signed-off-by: Lao Wei <zrlw@qq.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/pci/meye/meye.c diff | blob | history
John Crispins staging tree