An issue was discovered in sd-bus in systemd 239. busprocessobject() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).
{
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{
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{
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{
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{
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],
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{
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{
"cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
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{
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{
"cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
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{
"cpe": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
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{
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{
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{
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{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*",
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{
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{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*",
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{
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{
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{
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{
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}
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{
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{
"last_affected": "8.2"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:*",
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{
"last_affected": "8.4"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.4:*:*:*:*:*:*:*",
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{
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*",
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{
"last_affected": "8.0"
}
],
"source": "CPE_FIELD"
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{
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{
"last_affected": "7.4"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.5:*:*:*:*:*:*:*",
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{
"last_affected": "7.5"
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],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.1:*:*:*:*:*:*:*",
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{
"last_affected": "8.1"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*",
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{
"last_affected": "8.2"
}
],
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{
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{
"last_affected": "8.4"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
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{
"last_affected": "7.0"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*",
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{
"last_affected": "7.3"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*",
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{
"last_affected": "7.4"
}
],
"source": "CPE_FIELD"
},
{
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{
"last_affected": "7.6"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*",
"extracted_events": [
{
"last_affected": "8.2"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*",
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{
"last_affected": "8.4"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*",
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{
"last_affected": "7.6"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.3:*:*:*:*:*:*:*",
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{
"last_affected": "7.3"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:*",
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{
"last_affected": "7.4"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.0:*:*:*:*:*:*:*",
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{
"last_affected": "8.0"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*",
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{
"last_affected": "8.1"
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{
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{
"last_affected": "8.2"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*",
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{
"last_affected": "7.3"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*",
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{
"last_affected": "7.4"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*",
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{
"last_affected": "7.6"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*",
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{
"last_affected": "8.2"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*",
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],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.3:*:*:*:*:*:*:*",
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{
"last_affected": "7.3"
}
],
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},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:*",
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{
"last_affected": "7.4"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.0:*:*:*:*:*:*:*",
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{
"last_affected": "8.0"
}
],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*",
"extracted_events": [
{
"last_affected": "8.1"
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],
"source": "CPE_FIELD"
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*",
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{
"last_affected": "8.2"
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],
"source": "CPE_FIELD"
},
{
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{
"last_affected": "7.0"
}
],
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}
]
}{
"cpe": [
"cpe:2.3:a:systemd_project:systemd:239:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "239"
},
{
"last_affected": "29"
}
],
"source": "CPE_FIELD"
}