Intel waxay daabacday la-talin farsamo oo ku xeeran u nuglaanta Makiinada Processor^{(Intel Processor Machine Check Error)} -ka ee mashiinka hubinta ee loo qoondeeyay CVE-2018-12207 . Microsoft ayaa soo saartay cusboonaysiinta si ay uga caawiso yaraynta u nuglaanshahan ^(Microsoft)Mashiinnada^(Machines) Farshaxanka ee martida ( VMs ) laakiin ilaalinta si caadi ah ayaa u naafo ah. Maqaalkan, waxaan ku tusi doonaa sida aad awood ugu yeelan karto mashiinka processor-ka Intel Hubinta^{(Intel Processor Machine Check Error)} ilaalinta nuglaanta gudaha Windows 10 .

Soo- saareyaasha Intel^(Intel) ee taageera qaab-dhismeedka hubinta mishiinku waxay leeyihiin hab lagu ogaado oo looga sheego khaladaadka hardware-ka (sida nidaamka baska, ECC , sinnaanta, cache, iyo khaladaadka TLB ) software-ka. Naqshadeynta hubinta mishiinku waxay awood u siinaysaa processor-ku inuu dhaliyo hubinta mishiinka marka laga reebo si ay u muujiso ogaanshaha khaladka hubinta mishiinka. Tani waxay u ogolaanaysaa software-ka nidaamka iyo horumariyayaasha OS inay si xarago leh u xidhaan nidaamka marka xaaladaha khaladka hardware laga helo goobta.

Daar mishiinka Processor -ka Intel Hubinta^{(Intel Processor Machine Check Error)} ilaalinta nuglaanta

Awood-siinta ama curyaaminta ilaalintan waxay u baahan tahay tallaabo ku saabsan martigaliyayaasha Hyper-V oo wadda VM -yada^(VMs) aan la aamini karin . Raac tilmaanta hoose si aad u dejiso goobta diiwaanka si aad awood ugu siiso ama u joojiso ilaalintan martigaliyayaasha Hyper-V ee ku shaqeeya VM -yada aan la aamini^(VMs) karin .

Waa kan sida:

Si aad awood ugu yeelatid^{( enable)} , samee waxyaabaha soo socda;

Ku billow deg degga amarka qaabka^{(Launch command prompt in admin mode)} maamulka

Dakhliga amarka, nuqul ka samee oo ku dheji amarka hoose:

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Virtualization" /v IfuErrataMitigations /t REG_DWORD /d 1 /f

Xir^(Shutdown) ka dibna dib u billow dhammaan Martida VM^{(Guest VMs)} -yada ee ku socda martigeliyaha Hyper-V .

Si aad u joojiso^(disable) , samee waxyaabaha soo socda;

Ku billow deg degga amarka habka maamulka

Dakhliga amarka, nuqul ka samee oo ku dheji amarka hoose:

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Virtualization" /v IfuErrataMitigations /t REG_DWORD /d 0 /f

Xir^(Shutdown) ka dibna dib u billow dhammaan Martida VM^{(Guest VMs)} -yada ee ku socda martigeliyaha Hyper-V .

That’s it!

Enable Intel Processor Machine Check Error vulnerability protection

Intel published а technical advisory around the Intel Processor Machine Check Error vulnerability that is assіgned CVE-2018-12207. Microsoft has released updates to help mitigate thiѕ vulnerability for guest Virtual Machines (VMs) but the protеction iѕ disabled by defaυlt. In this post, we will show you how to enable Intel Processor Machine Check Error vulnerability protection in Windows 10.

Intel processors that support machine check architecture have a mechanism to detect and report hardware errors (such as system bus, ECC, parity, cache, and TLB errors) to system software. The machine check architecture enables the processor to generate a machine check exception to signal the detection of a machine check error. This allows system software and OS developers to gracefully shut down the system when hardware error conditions are detected on the platform.

Enable Intel Processor Machine Check Error vulnerability protection

Enabling or disabling this protection requires an action on the Hyper-V hosts running untrusted VMs. Follow the instruction below to set a registry setting to enable or disable this protection on the Hyper-V hosts running untrusted VMs.

Here’s how:

To enable, do the following;

Launch command prompt in admin mode.

In the command prompt, copy and paste the command below:

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Virtualization" /v IfuErrataMitigations /t REG_DWORD /d 1 /f

Shutdown and then restart all Guest VMs running on the Hyper-V host.

To disable, do the following;

Launch command prompt in admin mode.

In the command prompt, copy and paste the command below:

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Virtualization" /v IfuErrataMitigations /t REG_DWORD /d 0 /f

Shutdown and then restart all Guest VMs running on the Hyper-V host.

That’s it!

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