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enh: add FPDSS check for AMD Zen1/Zen+ (CVE-2025-54505)

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Stéphane Lesimple
2026-04-18 10:56:21 +00:00
parent 48454a5344
commit 048ce5b6a2
9 changed files with 520 additions and 8 deletions
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7
src/libs/002_core_globals.sh
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@@ -153,6 +153,12 @@ g_smc_cpu_info_line=''
# CVE Registry: single source of truth for all CVE metadata.
# Fields: cve_id|json_key_name|affected_var_suffix|complete_name_and_aliases
#
# Two ranges of placeholder IDs are reserved when no real CVE applies:
# CVE-0000-NNNN: permanent placeholder for supplementary checks (--extra only)
# that will never receive a real CVE (e.g. SLS, compile-time hardening).
# CVE-9999-NNNN: temporary placeholder for real vulnerabilities awaiting CVE
# assignment. Rename across the codebase once the real CVE is issued.
readonly CVE_REGISTRY='
CVE-2017-5753|SPECTRE VARIANT 1|variant1|Spectre Variant 1, bounds check bypass
CVE-2017-5715|SPECTRE VARIANT 2|variant2|Spectre Variant 2, branch target injection
@@ -186,6 +192,7 @@ CVE-2025-40300|VMSCAPE|vmscape|VMScape, VM-exit stale branch prediction
CVE-2023-28746|RFDS|rfds|Register File Data Sampling (RFDS)
CVE-2024-45332|BPI|bpi|Branch Privilege Injection (BPI)
CVE-0000-0001|SLS|sls|Straight-Line Speculation (SLS)
CVE-2025-54505|FPDSS|fpdss|FPDSS, AMD Zen1 Floating-Point Divider Stale Data Leak
'
# Derive the supported CVE list from the registry