ibmasm: don't write out of bounds in read handler
This read handler had a lot of custom logic and wrote outside the bounds of the provided buffer. This could lead to kernel and userspace memory corruption. Just use simple_read_from_buffer() with a stack buffer. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: NJann Horn <jannh@google.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Showing
想要评论请 注册 或 登录