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VuXML IDDescription
74daa370-2797-11e8-95ec-a4badb2f4699FreeBSD -- Speculative Execution Vulnerabilities

Problem Description:

A number of issues relating to speculative execution were found last year and publicly announced January 3rd. Two of these, known as Meltdown and Spectre V2, are addressed here.

CVE-2017-5754 (Meltdown) - ------------------------

This issue relies on an affected CPU speculatively executing instructions beyond a faulting instruction. When this happens, changes to architectural state are not committed, but observable changes may be left in micro- architectural state (for example, cache). This may be used to infer privileged data.

CVE-2017-5715 (Spectre V2) - --------------------------

Spectre V2 uses branch target injection to speculatively execute kernel code at an address under the control of an attacker.

Impact:

An attacker may be able to read secret data from the kernel or from a process when executing untrusted code (for example, in a web browser).


Discovery 2018-03-14
Entry 2018-03-14
FreeBSD-kernel
ge 11.1 lt 11.1_8

CVE-2017-5715
CVE-2017-5754
SA-18:03.speculative_execution