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x86: smm: number of GPRs in the SMRAM image depends on the ","CVE":"CVE-2022-49883","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"49883","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: smm: number of GPRs in the SMRAM image depends on the image format\n\nOn 64 bit host, if the guest doesn't have X86_FEATURE_LM, KVM will\naccess 16 gprs to 32-bit smram image, causing out-ouf-bound ram\naccess.\n\nOn 32 bit host, the rsm_load_state_64/enter_smm_save_state_64\nis compiled out, thus access overflow can't happen.","Type":"Description","Title":"KVM: x86: smm: number of GPRs in the SMRAM image depends on the "}]}}}