1What: /sys/firmware/sev/vulnerabilities/supported_mitigations 2Date: June 2026 3Contact: linux-crypto@vger.kernel.org 4Description: 5 Read-only interface that reports the vector of SEV-SNP 6 firmware vulnerability mitigations supported by the firmware. 7 8What: /sys/firmware/sev/vulnerabilities/verified_mitigations 9Date: June 2026 10Contact: linux-crypto@vger.kernel.org 11Description: 12 Read/write interface that reports the vector of SEV-SNP 13 firmware vulnerability mitigations already verified by the 14 firmware. Writing a vector value requests the firmware to 15 VERIFY the corresponding mitigation bit(s). 16 17 The list of supported mitigations and the meaning of each 18 vector bit are both platform- and bug-specific and are 19 published as part of the AMD Security Bulletin. 20