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| Author | SHA1 | Date | |
|---|---|---|---|
| 038205f7b8 |
@@ -724,9 +724,9 @@ is_cpu_affected() {
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if [ -n "$cpupart" ] && [ -n "$cpuarch" ]; then
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# Cortex-R7 and Cortex-R8 are real-time and only used in medical devices or such
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# I can't find their CPU part number, but it's probably not that useful anyway
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# model R7 R8 A8 A9 A12 A15 A17 A57 A72 A73 A75 A76 A77 Neoverse-N1 Neoverse-V1 Neoverse-N1 Neoverse-V2 Neoverse-V3 Neoverse-V3AE
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# part ? ? c08 c09 c0d c0f c0e d07 d08 d09 d0a d0b d0d d0c d40 d49 d4f d84 d83
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# arch 7? 7? 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 8
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# model R7 R8 A8 A9 A12 A15 A17 A57 A72 A73 A75 A76 A77 Neoverse-N1 Neoverse-V1 Neoverse-N1 Neoverse-V2
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# part ? ? c08 c09 c0d c0f c0e d07 d08 d09 d0a d0b d0d d0c d40 d49 d4f
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# arch 7? 7? 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8
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#
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# Whitelist identified non-affected processors, use vulnerability information from
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# https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
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@@ -777,13 +777,13 @@ is_cpu_affected() {
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_infer_immune variant3a
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_set_vuln variant4
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pr_debug "checking cpu$i: armv8 A76/A77/NeoverseN1 non affected to variant 2, 3 & 3a"
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elif [ "$cpuarch" = 8 ] && echo "$cpupart" | grep -q -w -e 0xd40 -e 0xd49 -e 0xd4f -e 0xd84 -e 0xd83; then
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elif [ "$cpuarch" = 8 ] && echo "$cpupart" | grep -q -w -e 0xd40 -e 0xd49 -e 0xd4f; then
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_set_vuln variant1
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_infer_immune variant2
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_infer_immune variant3
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_infer_immune variant3a
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_infer_immune variant4
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pr_debug "checking cpu$i: armv8 NeoverseN2/V1/V2/V3/V3AE non affected to variant 2, 3, 3a & 4"
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pr_debug "checking cpu$i: armv8 NeoverseN2/V1/V2 non affected to variant 2, 3, 3a & 4"
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elif [ "$cpuarch" -le 7 ] || { [ "$cpuarch" = 8 ] && [ $((cpupart)) -lt $((0xd07)) ]; }; then
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_infer_immune variant1
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_infer_immune variant2
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@@ -844,14 +844,14 @@ is_cpu_affected() {
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# - arm64 (CVE-2020-13844): Cortex-A32/A34/A35/A53/A57/A72/A73 confirmed affected,
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# and broadly all speculative Armv8-A cores. No kernel mitigation merged.
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# Part numbers: A32=0xd01 A34=0xd02 A53=0xd03 A35=0xd04 A57=0xd07 A72=0xd08 A73=0xd09
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# Plus later speculative cores: A75=0xd0a A76=0xd0b A77=0xd0d N1=0xd0c V1=0xd40 N2=0xd49 V2=0xd4f V3=0xd84 V3AE=0xd83
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# Plus later speculative cores: A75=0xd0a A76=0xd0b A77=0xd0d N1=0xd0c V1=0xd40 N2=0xd49 V2=0xd4f
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if is_intel || is_amd; then
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_infer_vuln sls
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elif [ "$cpu_vendor" = ARM ]; then
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for cpupart in $cpu_part_list; do
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if echo "$cpupart" | grep -q -w -e 0xd01 -e 0xd02 -e 0xd03 -e 0xd04 \
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-e 0xd07 -e 0xd08 -e 0xd09 -e 0xd0a -e 0xd0b -e 0xd0c -e 0xd0d \
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-e 0xd40 -e 0xd49 -e 0xd4f -e 0xd84 -e 0xd83; then
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-e 0xd40 -e 0xd49 -e 0xd4f; then
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_set_vuln sls
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fi
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done
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