Microsoft unveiled extraordinary updates of Windows, invalidating mitigation measures for Intel chip vulnerability problem "Specter"

ByMirko Waltermann

Suddenly became clear in the beginning of 2018Vulnerability problem existing in Intel processor chipWe have posted a temporary update of Windows that Microsoft took measures to invalidate the mitigation measures for this vulnerability.

Update to disable mitigation against Specter, Variant 2
https://support.microsoft.com/en-us/help/4078130/update-to-disable-mitigation-against-spectre-variant-2


Microsoft Disables Specter Mitigations Due to Instability | SecurityWeek.Com
http://www.securityweek.com/microsoft-disables-spectre-mitigations-due-instability

This problem relates to Intel microcode dealing with vulnerability called "Spectre" (CVE 2017-5715 Branch Target Injection). Introducing microcode released by Intel to deal with problems caused by the structure of x86 processors causes the system to become unstable, such as an increase in reboot on some machines, resulting in data loss or corruption It is pointed out that it may cause such as.

In order to cope with this, the temporary update released by Microsoft on January 26, 2018, measures are taken to invalidate the mitigation measures against the vulnerability of CVE 2017-5715. According to Microsoft's release, updates are subject to all versions of Windows 7 (SP1), Windows 8.1, and Windows 10. Microsoft has confirmed the possibility of instability of the system caused by this problem and in some cases confirmed the possibility of causing data loss and corruption, but as updating makes it possible to prevent unstable behavior of the system Thing.

The update is automatically updated by Windows Update, but it can also be obtained from the following page.

Microsoft Update Catalog
http://www.catalog.update.microsoft.com/Search.aspx?q=KB4078130