From: Masato Noguchi Date: Tue, 13 Feb 2007 20:54:30 +0000 (+0100) Subject: [POWERPC] spufs: avoid accessing kernel memory through mmapped /mem node X-Git-Tag: v2.6.21-rc1~273^2~3^2~6^2~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=128b8546a83a9e37448bc126e1045dc1db291165;p=pandora-kernel.git [POWERPC] spufs: avoid accessing kernel memory through mmapped /mem node I found an exploit in current kernel. Currently, there is no range check about mmapping "/mem" node in spufs. Thus, an application can access privilege memory region. In case this kernel already worked on a public server, I send this information only here. If there are such servers in somewhere, please replace it, ASAP. Signed-off-by: Masato Noguchi Signed-off-by: Arnd Bergmann --- Reading git-diff-tree failed