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Intel's Foreshadow CPU Vulnerability: Here’s What Eight Vendors Are Telling Their Partners To Do

A look at how Amazon, Cisco, Dell, HPE, Lenovo, Microsoft, Oracle and VMware are responding to Intel's newly disclosed Foreshadow CPU vulnerability.

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Intel Focuses On Coordinated Disclosure

Intel recently revealed another major vulnerability within its Core and Xeon processors and is now closely working with other vendors for coordinated disclosure.

Also known as L1 Terminal Fault, Foreshadow shares some similarities to Meltdown and Spectre, the speculative execution exploits that kicked off a new level of concern over CPU security when they were disclosed in January.

The Foreshadow vulnerability, which comes in three variants, involves a security hole in the CPU's L1 data cache, a small pool of memory within each processor core that helps determine what instruction the core will execute next. The first variant involves a security hole in Intel's Software Guard Extensions, the second an exploit in the operating system kernel and system management mode and the third a vulnerability in virtual machines.

Many large software and hardware vendors, including Amazon, Cisco, Dell, Hewlett Packard Enterprise, Lenovo, Microsoft, Oracle and and VMware, sent out their own advisories about what steps customers and partners should take to protect against Foreshadow. Here's how eight large vendors are responding to the vulnerability.

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