ASUS Servers and Workstations Microcode Update for Speculative Execution and Indirect Branch Prediction Side Channel Analysis Method

    ASUS is aware that the current Intel® microcode version might be subject to recently identified security vulnerabilities. We are working diligently to provide BIOS updates that address these vulnerabilities for the ASUS server, server motherboard, workstation, and workstation motherboard product lines. We recommend customers update their systems by downloading and applying the latest BIOS, as soon as the relevant revision becomes available. We encourage customers to review Intel’s Security Advisory for information, including appropriate identification and mitigation measures. For detailed information of the security issues, please visit the Intel Security Center.

    *Please refer to below product list.


    ASUS Solutions

    To enhance resiliency to the side channel analysis method, ASUS will provide BIOS update solutions. With the latest Windows OS Hot Fix update, your system will be well protected.

    (1)ASUS BIOS Update

    Please find our first wave model list below and download BIOS from ASUS Support Site https://www.asus.com/support/# ; more details will be added to this document as they become available.

    Product
    Model Name
    BIOS Version
    Server Motherboard Z11PR-D16 Series 0601
    Z11PA-D8 Series 0501
    Z11PA-U12 Series 0702
    P10S-E/4L Series 4101
    P10S-C/4L Series 4101
    P10S-V/4L Series 4101
    P10S-X Series 4101
    P10S-M Series 4101
    P10S-M-DC Series 4101
    P10S-I Series 4101
    Z10PE-D16 Series 3601
    Z10PA-D8 Series Jan/E
    Z10PA-U8 Series Jan/E
    Z10PH-D16 Series Jan/E
    Z10PR-D16 Series Jan/E
    Z10PC-D8 Series Jan/E
    P9D-E/4L Feb/E
    P9D-C/4L Feb/E
    P9D-X Feb/E
    P9D-V Feb/E
    P9D-M Series Feb/E
    P9D-I Series Feb/E
    Server Barebone and System RS700-E9 Series 0801
    RS520-E9 Series 0601
    ESC4000 G4 Series 0505
    ESC8000 G4 Series 0404
    TS300-E9-PS4 4101
    RS300-E9 Series 4101
    RS200-E9 Series 4101
    TS100-E9-PI4 Jan/E
    RS100-E9-PI2 4101
    RS720Q-E8-RS8-P Jan/E
    RS720Q-E8-RS12 Jan/E
    RS720-E8-RS24-ECP Jan/E
    RS720-E8-RS24-E Jan/E
    RS540-E8-RS36-ECP Jan/E
    RS520-E8-RS12-E Series Jan/E
    RS520-E8-RS8 Series Jan/E
    RS500-E8-RS4 Series Jan/E
    RS500-E8-PS4 Series Jan/E
    RS400-E8-PS2 Series Jan/E
    TS500-E8-PS4 Series Jan/E
    ESC4000 G3 Series Jan/E
    ESC8000 G3 Series Jan/E
    RS700-E8-RS8 Series Jan/E
    RS700-E8-RS4 Series Jan/E
    TS700-E8-RS8 Series Feb/M
    TS700-E8-PS4 Series Feb/M
    RS300-H8 Series Feb/E
    RS300-E8 Series Feb/E
    RS100-E8 Series Feb/E
    TS300-E8 Series Feb/E
    TS110-E8-PI4 Feb/E
    Workstation Motherboard WS C621E SAGE 0504
    P10S-M WS Series 4101
    Z10PE-D8 WS Series Jan/E
    Z10PE-D16 WS Series Jan/E
    P10S WS Jan/E
    Z170 WS Jan/E
    Z270WS Jan/E
    WS X299 PRO Jan/E
    WS X299 PRO/SE Jan/E
    WS C422 PRO/SE Jan/E
    WS X299 SAGE Jan/E
    X99-E WS Jan/E
    X99-E WS/USB3.1 Jan/E
    X99-E-10G WS Jan/E
    X99-WS/IPMI Jan/E
    X99-H Series Jan/E
    X99-WS Jan/E
    X99-M WS Series Jan/E
    Workstation Barebone and System ESC700 G4 Series Feb/M
    ESC500 G4 Series Jan/E
    ESC500 G4 SFF Series Feb/M
    ESC300 G4 Series Feb/M
    ESC700 G3 Feb/M

    (2)Windows OS Hot Fix Update

    The OS Build version and KB number listed below are the latest version released from Microsoft to solve this issue. Please make sure your systems have been updated.

    OS Build
    Internet Explorer 11
    Microsoft Edge
    Windows 7: OS build 6.1.7600.xx KB4056568 or above N/A
    Windows 7 (SP1): OS build 6.1.7601.xx KB4056568 or above N/A
    Windows 8: OS build 6.2.9200.xx KB4056568 or above N/A
    Windows 8.1: OS build 6.3.9200.xx KB4056568 or above N/A
    Windows 8.1 (SP1): OS build 6.3.9600.xx KB4056568 or above N/A
    Win10 TH1 : Version 1507, OS build 10240.xx KB4056893 or above KB4056893 or above
    Win10 TH2 : Version 1511, OS build 10586.xx KB4056893 or above KB4056888 or above
    Win10 RS1 : Version 1607, OS build 14393.xx KB4056890 or above KB4056890 or above
    Win10 RS2 : Version 1703, OS build 15063.xx KB4056891 or above KB4056891 or above
    Win10 RS3 : Version 1709, OS build 16299.xx KB4056892 or above KB4056892 or above

    Step 1: Please Update to the Latest OS Version



    Step 2: Check the OS Version of Your System

    Key in “winver” in Search Bar, and you can find Windows OS version and OS Build information.


    Step 3: Check the KB Number of Your System

    Key in “Control Panel” in Search Bar, then select Programs > Uninstall a program > View installed updates. And then, you can see the KB number.




    FOR THE MOST UP TO DATE INFORMATION, PLEASE REMAIN CURRENT WITH UPDATES AND ADVISORIES FROM ASUS REGARDING YOUR EQUIPMENT AND SOFTWARE. THE INFORMATION PROVIDED IN THIS ADVISORY IS PROVIDED ON AS “AS IS” BASIS WITHOUT ANY WARRANTY OR GUARANTEE OF ANY KIND. ASUS RESERVES THE RIGHT TO CHANGE OR UPDATE THIS ADVISORY AT ANY TIME WITHOUT NOTICE.