RFDS Mitigation
configname: CONFIG_MITIGATION_RFDS
Linux Kernel Configuration
└─>Mitigations for CPU vulnerabilities
└─>RFDS Mitigation
In linux kernel since version 4.19.310 (release Date: 2024-03-15)
Enable mitigation for Register File Data Sampling (RFDS) by default.
RFDS is a hardware vulnerability which affects Intel Atom CPUs. It
allows unprivileged speculative access to stale data previously
stored in floating point, vector and integer registers.
See also <a href="https://www.kernel.org/doc/Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst">Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst</a>
RFDS is a hardware vulnerability which affects Intel Atom CPUs. It
allows unprivileged speculative access to stale data previously
stored in floating point, vector and integer registers.
See also <a href="https://www.kernel.org/doc/Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst">Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst</a>