SMM Local Code Execution Vulnerability (CVE-2015-0949) for Multiple Products)
Release date:Updated on:
Affected Systems:DellHPDescription:Bugtraq id: 73261CVE (CAN) ID: CVE-2015-0949
System Management Mode (SMM) is the highest permission Execution Mode on x86 processors.
In multiple BIOS implementations, The SMM function is allowed to call memory locations ot
Color
Hue ring with tropical flavor, must include turquoise green (truquoise). Add some color, make it brighter, become turquoise green--one of the warmest colors in a cool color.Together with other blue-green, bright-colored family members, you can increase the sense of tranquility and the message.Use the red orange-the complementary color of turquoise green-to have the best effect in any of these combinations.Like the flowers in nature,
Tropical is a beautiful Ubuntu11.04 user topic. It is a classic desktop topic of Gnome2 and provides the PPA source for installation. Open the terminal and enter the command to add the Source: sudoadd-apt-repositoryppa: bisigi/ppasudoaptitudeupdatesudoapt-getinstalltropical-theme:
TropicalIt is a beautiful Ubuntu 11.04 user topic. It is a classic desktop topic of Gnome 2 and provides the PPA source for installation.
Open the terminal and enter the c
The author divides the icon into two major parts: bubble and landscape. The bubble part should first make the selection area, use the transparent gradient to pull the light fade, and manually add some highlights in the middle part. the landscape
There are basically two methods for a customer to call the WCF Service. Of course, they all need to be programmed ......
1. Use proxy
In general, svcutil.exe is used to obtain the metadata of the WCF Service and generate a proxy class that can
The author divides the icons into two large parts: bubbles and landscapes. The bubble part completes the selection first, uses the transparent gradient to pull the light gradually to change color, the middle part adds some high light manually, the
Optimization DPFirst you need to find a property:$ A * (b+c) +b*c = AB+AC+BC $$ (a+b) *c+a*b = AB+AC+BC $This means that the optimal score is independent of the cut order.Then we can cut from left to right, which is obviously a DP problem.Slope optimization can be.The first push is $ f[i][k]=max{f[j][k-1]+ (Sum[n]-sum[i]) * (Sum[i]-sum[j])} $Run out like this 26+s, why so slow ah? Is it the case that the equation is not suitable for slope optimization? (How foolish to come to this conclusion)Th
Protection Mode Overview
From: http://www.pagoda-ooos.org/
In the 8086/8088 era, there was only one operating mode for the processor. At that time, this mode was not named because there were no other operating modes. Since 80286 to 80386, the processor has added two more operating modes: protection mode PM (Protected Mode) and system management mode SMM (System Management Mode). Therefore, 8086/8088 of the schema is named real-address mode RM (Real-ad
image, you cannot distinguish between the factory method mode and the abstract factory mode.
It can be seen that each factory in the abstract factory model creates a family of products, not one or one group. Groups can be combined at will! In fact, the two are just a little different. Now, you probably have understood the meaning of the abstract factory model. If you look at the example, the truth will be revealed to the rest of the world!
1.3.1 Implementation of abstract factory model in farm
Protection Mode Overview
From: http://www.pagoda-ooos.org/
In the 8086/8088 era, there was only one operating mode for the processor. At that time, this mode was not named because there were no other operating modes. Since 80286 to 80386, the processor has added two more operating modes: protection mode PM (Protected Mode) and system management mode SMM (System Management Mode). Therefore, 8086/8088 of the schema is named real-address mode RM (Real-ad
speed. It is divided into 18 levels. Where:
Level 6: wind speed: 10.8-13.8 m/second, 39-49 km per hour. It is difficult to raise an umbrella, the branches shake, and the wires call for sound.
Level 7: wind speed: 13.9-17.1 m/second, 50-61 km per hour, full tree shaking, walking in the wind is inconvenient.
Level 8: wind speed: 17.2-20.7 M/second,-74 km per hour, branches broken, people walking forward great resistance.
Level 9: wind speed: 20.8-24.4 m/second,-88 km per hour, blow down the grass
accessible:
Protected mode-This mode is the native state of the processor. among the capabilities of protected mode is the ability to directly execute "real-address mode" 8086 software in a protected, multi-tasking environment. this feature is called virtual-8086 mode, although it is not actually a processor mode. virtual-8086 mode is actually a protected mode attribute that can be enabled for any task.
Real-address mode-This mode implements the programming environment of the Intel 8086 proc
modeled on the features of the ibm xt system design. This restriction can be avoided by opening A20 line.
In protection mode, the first 32 interrupts are reserved for CPU exception handling. For example, the interrupt 0d (decimal 13) is a normal protection mode error and the interrupt 00 is divided by zero.
In the 8086/8088 era, the processor only has one operating mode (OperationMode), because no other operation mode exists, this mode is not named. Since 80286 to 80386, the processor has added
, and the maximum memory range ).
See section 11.11.4.1.
11.11.2.4 system management range register Interface
If ia32_mtrrcap [bit 11] is set to 1, the processor supports the smrr interface to restrict a specified SMM) access to the memory address range used by the software (see section 26.4.2.1 ). If the smrr interface is supported, The SMM software is strongly encouraged to use it to protect the SMI cod
Simplemailmessage SMM = new Simplemailmessage ();
Set Message parameters
Smm.setfrom (Mailsender.getusername ());
Smm.setto ("[email protected]");
Smm.setsubject ("Hello World");
Smm.settext ("Hello World via Spring Mail Sender");
Send mail
Mailsender.send (SMM);
Simplemailmessage SMM = new Simplemailmessage ();//Set
, because I use the front-end is ExtJS, so also need to import ExtJS related JS and CSS dependent files. Because there are too many Lib libraries, there is no screenshot, only ExtJS dependent files are intercepted:
Such a basic environment is available, the design of the database needs to be based on the model layer of the object to determine.
The second step is to establish the relevant model layer, the code is as follows:
User.java:
package com.broada.demo.entity;/** * * * @author
, Southern banana;Tropical Fruits: Tropical Apple, tropical banana; look, northern fruit, southern fruit, tropical fruit This is three different product families. Here is a simple example of the abstract factory model: First determine our product family, product family for southern fruit and northern fruit, and fruit
This example continues the orchard farm in the last factory method. This time, the farm company introduced plastic shed technology to plant tropical (tropical) fruits and vegetables in the greenhouse.
1. Abstract factory instance class diagram
2. Java Implementation CodePackage cn.edu.ynu.sei.abstractFactory;
/**
* Fruit Interface
* @author 88250
* @version 1.0.0, 2007-8-13
* @see Cn.edu.ynu.sei
PackageMainImport("FMT")funcMain () {sm: = Make([]Map[int]string,5)//This is a map-element slice that initializes the capacity, element 5 for_, V: =RangeSM {v = Make(Map[int]string,1) v[1] ="OK"Fmt. Println (v)} FMT. PRINTLN (SM)/ * Output result Map[1:ok] Map[1:ok] map[1:ok] Map[1:ok] Map[1:ok] [map[] map[ ] map[] map[] map[] "It is clear that V is a copy and cannot operate on the map itself. If you want to operate on itself, you need to make the following modifications (using i) */
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