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nvd-json-data-feeds/CVE-2024/CVE-2024-467xx/CVE-2024-46743.json
cad-safe-bot c5b7772ce9 Auto-Update: 2024-09-20T20:00:18.477576+00:00
2024-09-20 20:03:18 +00:00

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{
"id": "CVE-2024-46743",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-09-18T08:15:03.540",
"lastModified": "2024-09-20T18:32:11.827",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof/irq: Prevent device address out-of-bounds read in interrupt map walk\n\nWhen of_irq_parse_raw() is invoked with a device address smaller than\nthe interrupt parent node (from #address-cells property), KASAN detects\nthe following out-of-bounds read when populating the initial match table\n(dyndbg=\"func of_irq_parse_* +p\"):\n\n OF: of_irq_parse_one: dev=/soc@0/picasso/watchdog, index=0\n OF: parent=/soc@0/pci@878000000000/gpio0@17,0, intsize=2\n OF: intspec=4\n OF: of_irq_parse_raw: ipar=/soc@0/pci@878000000000/gpio0@17,0, size=2\n OF: -> addrsize=3\n ==================================================================\n BUG: KASAN: slab-out-of-bounds in of_irq_parse_raw+0x2b8/0x8d0\n Read of size 4 at addr ffffff81beca5608 by task bash/764\n\n CPU: 1 PID: 764 Comm: bash Tainted: G O 6.1.67-484c613561-nokia_sm_arm64 #1\n Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2023.01-12.24.03-dirty 01/01/2023\n Call trace:\n dump_backtrace+0xdc/0x130\n show_stack+0x1c/0x30\n dump_stack_lvl+0x6c/0x84\n print_report+0x150/0x448\n kasan_report+0x98/0x140\n __asan_load4+0x78/0xa0\n of_irq_parse_raw+0x2b8/0x8d0\n of_irq_parse_one+0x24c/0x270\n parse_interrupts+0xc0/0x120\n of_fwnode_add_links+0x100/0x2d0\n fw_devlink_parse_fwtree+0x64/0xc0\n device_add+0xb38/0xc30\n of_device_add+0x64/0x90\n of_platform_device_create_pdata+0xd0/0x170\n of_platform_bus_create+0x244/0x600\n of_platform_notify+0x1b0/0x254\n blocking_notifier_call_chain+0x9c/0xd0\n __of_changeset_entry_notify+0x1b8/0x230\n __of_changeset_apply_notify+0x54/0xe4\n of_overlay_fdt_apply+0xc04/0xd94\n ...\n\n The buggy address belongs to the object at ffffff81beca5600\n which belongs to the cache kmalloc-128 of size 128\n The buggy address is located 8 bytes inside of\n 128-byte region [ffffff81beca5600, ffffff81beca5680)\n\n The buggy address belongs to the physical page:\n page:00000000230d3d03 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1beca4\n head:00000000230d3d03 order:1 compound_mapcount:0 compound_pincount:0\n flags: 0x8000000000010200(slab|head|zone=2)\n raw: 8000000000010200 0000000000000000 dead000000000122 ffffff810000c300\n raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffffff81beca5500: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ffffff81beca5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n >ffffff81beca5600: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ^\n ffffff81beca5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n ffffff81beca5700: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc\n ==================================================================\n OF: -> got it !\n\nPrevent the out-of-bounds read by copying the device address into a\nbuffer of sufficient size."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: of/irq: Evitar lecturas fuera de los l\u00edmites de direcciones de dispositivos en el recorrido del mapa de interrupciones Cuando se invoca of_irq_parse_raw() con una direcci\u00f3n de dispositivo menor que el nodo padre de la interrupci\u00f3n (de la propiedad #address-cells), KASAN detecta la siguiente lectura fuera de los l\u00edmites al completar la tabla de coincidencia inicial (dyndbg=\"func of_irq_parse_* +p\"): OF: of_irq_parse_one: dev=/soc@0/picasso/watchdog, index=0 OF: parent=/soc@0/pci@878000000000/gpio0@17,0, intsize=2 OF: intspec=4 OF: of_irq_parse_raw: ipar=/soc@0/pci@878000000000/gpio0@17,0, size=2 OF: -> addrsize=3 ====================================================================== ERROR: KASAN: slab-out-of-bounds en of_irq_parse_raw+0x2b8/0x8d0 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffffff81beca5608 por la tarea bash/764 CPU: 1 PID: 764 Comm: bash Tainted: GO 6.1.67-484c613561-nokia_sm_arm64 #1 Nombre del hardware: Unknown Unknown Product/Unknown Product, BIOS 2023.01-12.24.03-dirty 01/01/2023 Rastreo de llamadas: dump_backtrace+0xdc/0x130 mostrar_pila+0x1c/0x30 dump_stack_lvl+0x6c/0x84 imprimir_informe+0x150/0x448 kasan_informe+0x98/0x140 __asan_load4+0x78/0xa0 de_irq_parse_raw+0x2b8/0x8d0 de_irq_parse_one+0x24c/0x270 analizar_interrupciones+0xc0/0x120 de_fwnode_add_links+0x100/0x2d0 fw_devlink_parse_fwtree+0x64/0xc0 dispositivo_add+0xb38/0xc30 de_dispositivo_add+0x64/0x90 of_platform_device_create_pdata+0xd0/0x170 of_platform_bus_create+0x244/0x600 of_platform_notify+0x1b0/0x254 blocking_notifier_call_chain+0x9c/0xd0 __of_changeset_entry_notify+0x1b8/0x230 __of_changeset_apply_notify+0x54/0xe4 of_overlay_fdt_apply+0xc04/0xd94 ... La direcci\u00f3n con errores pertenece al objeto en ffffff81beca5600 que pertenece al cach\u00e9 kmalloc-128 de tama\u00f1o 128 La direcci\u00f3n con errores se encuentra 8 bytes dentro de la regi\u00f3n de 128 bytes [ffffff81beca5600, ffffff81beca5680) La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: p\u00e1gina:00000000230d3d03 refcount:1 mapcount:0 mapping:0000000000000000 \u00edndice:0x0 pfn:0x1beca4 cabeza:00000000230d3d03 orden:1 composite_mapcount:0 composite_pincount:0 indicadores: 0x8000000000010200(slab|head|zone=2) sin procesar: 800000000010200 0000000000000000 muerto000000000122 ffffff810000c300 sin procesar: 000000000000000 0000000000200020 00000001ffffffff 0000000000000000 p\u00e1gina volcada porque: kasan: mal acceso detectado Estado de la memoria alrededor de la direcci\u00f3n con errores: ffffff81beca5500: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffff81beca5580: fc fc fc fc fc fc fc fc fc >ffffff81beca5600: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffffff81beca5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffff81beca5700: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ==================================================================== OF: -> \u00a1entendido! Evite la lectura fuera de los l\u00edmites copiando la direcci\u00f3n del dispositivo en un b\u00fafer de tama\u00f1o suficiente."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
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"vulnerable": true,
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"references": [
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