Mitigate Spectre-BHB (Branch History Injection)
configname: CONFIG_MITIGATION_SPECTRE_BHI
Linux Kernel Configuration
└─>Mitigations for CPU vulnerabilities
└─>Mitigate Spectre-BHB (Branch History Injection)
In linux kernel since version 4.19.313 (release Date: 2024-05-02)
Enable BHI mitigations. BHI attacks are a form of Spectre V2 attacks
where the branch history buffer is poisoned to speculatively steer
indirect branches.
See <file:Documentation/admin-guide/hw-vuln/spectre.rst>
where the branch history buffer is poisoned to speculatively steer
indirect branches.
See <file:Documentation/admin-guide/hw-vuln/spectre.rst>