CONFIG_MITIGATION_ITS: Enable Indirect Target Selection mitigation

General informations

The Linux kernel configuration item CONFIG_MITIGATION_ITS:

• prompt: Enable Indirect Target Selection mitigation
• type: bool
• depends on: ( CONFIG_CPU_SUP_INTEL && CONFIG_X86_64 ) && ( CONFIG_MITIGATION_RETPOLINE && CONFIG_MITIGATION_RETHUNK )
• defined in arch/x86/Kconfig
• found in Linux kernels: 6.15

Help text

Enable Indirect Target Selection (ITS) mitigation. ITS is a bug in BPU on some Intel CPUs that may allow Spectre V2 style attacks. If disabled, mitigation cannot be enabled via cmdline. See Documentation/admin-guide/hw-vuln/indirect-target-selection.rst

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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