portaloha.blogg.se - Spectre meltdown

#Spectre meltdown how to#
#Spectre meltdown install#
#Spectre meltdown update#
#Spectre meltdown Patch#

#Spectre meltdown install#

If you don’t, launch the App Store and install any available updates. If you have at least macOS 10.13.2, you are protected. Macs: Click the Apple menu at the top of your screen and select “About This Mac” to see what operating system version you have installed.Not all devices will be updated, so contact your manufacturer or check their support documents for more information about when and whether patches will be available for your device. If you don’t, tap the “System updates” option on this screen to check for and install any available updates. If you have at least the Janusecurity patch, you are protected.

#Spectre meltdown Patch#

Android Devices: Head to Settings > About Phone or About Tablet and look at the “ Android security patch level” field.

If you don’t, install any available updates that appear on this screen. If you have at least iOS 11.2, you are protected against Meltdown and Spectre.

#Spectre meltdown update#

iPhones and iPads: Head to Settings > General > Software Update to check the current version of iOS you have installed.

#Spectre meltdown how to#

Here’s how to check if you already have the patch for other popular operating systems: As always, we recommend keeping up-to-date with security patches on all your devices. It’s unclear if game consoles, streaming boxes, and other specialized devices are affected, but we know that the Xbox One and Raspberry Pi are not. Patches are now available to protect against Meltdown and Spectre on a wide variety of devices. Other Devices: iOS, Android, Mac, and Linux

It’s protected against Meltdown, but needs the UEFI or BIOS (hardware) update to be fully protected against Spectre. For example, in the screenshots here, we’ve installed the Windows operating system patch but not a UEFI or BIOS firmware update on this PC. You can see a human-readable explanation of exactly what’s going on with your PC by scrolling down. If you’re using Windows 7 or 8, you can speed things up some by upgrading to Windows 10, but you’ll need new hardware for maximum performance. You’ll likely see a noticeable slowdown, according to Microsoft.

Performance: If this says anything other than “GOOD”, you have an older PC that doesn’t have the hardware that makes the patches perform well.

Vulnerable to Spectre: If this says “YES!”, you’ll need to install the UEFI firmware or BIOS update from your PC’s manufacturer to protect your computer from certain Spectre attacks.

Vulnerable to Meltdown: If this says “YES!”, you’ll need to install the patch from Windows Update to protect your computer from Meltdown and Spectre attacks.

PC manufacturers should begin rolling out new UEFI firmware updates soon. As of February 20, Intel has released stable microcode updates for Skylake, Kaby Lake, and Coffee Lake-that’s the 6th, 7th, and 8th Generation Intel Core platforms. Intel said you should wait for a final UEFI firmware patch. Update: On January 22, Intel announced that users should stop deploying the initial UEFI firmware updates due to “higher than expected reboots and other unpredictable system behavior”. Unfortunately, they aren’t distributed via Windows Update-unless you’re using a Microsoft Surface device-so they must be downloaded from your manufacturer’s website and installed manually. These UEFI updates contain new Intel or AMD processor microcode that adds additional protection against these attacks. To fully protect against Meltdown and Spectre, you’ll need to install a UEFI or BIOS update from your PC’s manufacturer as well as the various software patches. RELATED: How Will the Meltdown and Spectre Flaws Affect My PC? Here’s how to check if you’re fully protected, and what to do if you aren’t. Warning: Even if you’ve installed patches from Windows Update, your PC may not completely protected from the Meltdown and Spectre CPU flaws.