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RDKCOM-5501: RDKBDEV-3351 Fix for EDNS package size incorrect, CVE-2023-28450 #192

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RDKCOM-5501: RDKBDEV-3351 Fix for EDNS package size incorrect, CVE-2023-28450 #192

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b92272e
RDKBDEV-3351:Fix for EDNS package size incorrect, add RFC parameter …
owen-lu-sercomm Jul 16, 2026
878bd17
RDKBDEV-3351:Fix for EDNS package size incorrect, add RFC paramet…
owen-lu-sercomm Jul 16, 2026
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3 changes: 3 additions & 0 deletions source/scripts/init/defaults/system_defaults_arm
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Expand Up @@ -1520,3 +1520,6 @@ $MemorySwapStatsIntervalMinutes=30
$MemorySwapTunablesSwappiness=200
$MemorySwapTunablesWatermarkScaleFactor=80
$MemorySwapTunablesPageCluster=0

#Edns Packet Size
$edns_packet_size=1232
Comment on lines +1524 to +1525
3 changes: 3 additions & 0 deletions source/scripts/init/defaults/system_defaults_bci
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Expand Up @@ -1369,3 +1369,6 @@ $MemorySwapStatsIntervalMinutes=30
$MemorySwapTunablesSwappiness=200
$MemorySwapTunablesWatermarkScaleFactor=80
$MemorySwapTunablesPageCluster=0

#Edns Packet Size
$edns_packet_size=1232
Comment on lines +1373 to +1374
3 changes: 3 additions & 0 deletions source/scripts/init/defaults/system_defaults_xd4
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Expand Up @@ -1445,3 +1445,6 @@ $FwDwld_AvlMem_RsrvThreshold=20

#FwDwld_ImageProcMemPercent Default value
$FwDwld_ImageProcMemPercent=0

#Edns Packet Size
$edns_packet_size=1232
Comment on lines +1449 to +1450
9 changes: 8 additions & 1 deletion source/scripts/init/service.d/service_dhcp_server.sh
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Expand Up @@ -139,7 +139,14 @@ dnsmasq_server_start ()
fi
fi
else
$SERVER -P 4096 -C $DHCP_CONF $DNS_ADDITIONAL_OPTION #--enable-dbus
PARTNER_ID=$(syscfg get PartnerID)
EDNS_PACKET_SIZE=$(syscfg get edns_packet_size)
EDNS_PACKET_SIZE=${EDNS_PACKET_SIZE:-1232}
if [ "$PARTNER_ID" != "comcast" ]; then
$SERVER -P $EDNS_PACKET_SIZE -C $DHCP_CONF $DNS_ADDITIONAL_OPTION #--enable-dbus
else
$SERVER -P 4096 -C $DHCP_CONF $DNS_ADDITIONAL_OPTION #--enable-dbus
fi
Comment on lines +142 to +149
fi

}
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