Vulnerability-Lookup

FKIE_CVE-2024-46743

Vulnerability from fkie_nvd - Published: 2024-09-18 08:15 - Updated: 2026-10-15 01:18

Severity

7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: of/irq: Prevent device address out-of-bounds read in interrupt map walk When of_irq_parse_raw() is invoked with a device address smaller than the interrupt parent node (from #address-cells property), KASAN detects the following out-of-bounds read when populating the initial match table (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 ================================================================== BUG: KASAN: slab-out-of-bounds in of_irq_parse_raw+0x2b8/0x8d0 Read of size 4 at addr ffffff81beca5608 by task bash/764 CPU: 1 PID: 764 Comm: bash Tainted: G O 6.1.67-484c613561-nokia_sm_arm64 #1 Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2023.01-12.24.03-dirty 01/01/2023 Call trace: dump_backtrace+0xdc/0x130 show_stack+0x1c/0x30 dump_stack_lvl+0x6c/0x84 print_report+0x150/0x448 kasan_report+0x98/0x140 __asan_load4+0x78/0xa0 of_irq_parse_raw+0x2b8/0x8d0 of_irq_parse_one+0x24c/0x270 parse_interrupts+0xc0/0x120 of_fwnode_add_links+0x100/0x2d0 fw_devlink_parse_fwtree+0x64/0xc0 device_add+0xb38/0xc30 of_device_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 ... The buggy address belongs to the object at ffffff81beca5600 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 8 bytes inside of 128-byte region [ffffff81beca5600, ffffff81beca5680) The buggy address belongs to the physical page: page:00000000230d3d03 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1beca4 head:00000000230d3d03 order:1 compound_mapcount:0 compound_pincount:0 flags: 0x8000000000010200(slab|head|zone=2) raw: 8000000000010200 0000000000000000 dead000000000122 ffffff810000c300 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffffff81beca5500: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffff81beca5580: fc fc fc fc fc fc fc 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 fc ^ ffffff81beca5680: fc 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: -> got it ! Prevent the out-of-bounds read by copying the device address into a buffer of sufficient size.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7ead730af11ee7da107f16fc77995613c58d292d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8ff351ea12e918db1373b915c4c268815929cbe5	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/baaf26723beab3a04da578d3008be3544f83758f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bf68acd840b6a5bfd3777e0d5aaa204db6b461a9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d2a79494d8a5262949736fb2c3ac44d20a51b0d8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/defcaa426ba0bc89ffdafb799d2e50b52f74ffc4	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-265688.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-355557.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.11
linux	linux_kernel	6.11
linux	linux_kernel	6.11

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/of/irq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08",
              "versionType": "git"
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              "status": "affected",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "2.6.18"
            },
            {
              "lessThan": "2.6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.322",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.284",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.226",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.110",
              "versionType": "semver"
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              "lessThanOrEqual": "6.6.*",
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              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
          "vendor": "Siemens",
          "versions": [
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            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
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          "versions": [
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              "lessThan": "V3.1.5",
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            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.1.5",
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              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.1.5",
              "status": "affected",
              "version": "V3.1.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V1.1.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.1.5",
              "status": "affected",
              "version": "V3.1.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "RUGGEDCOM RST2428P",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
    }
  ],
  "configurations": [
    {
      "nodes": [
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  "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:  -\u003e 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  \u003effffff81beca5600: 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:  -\u003e 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: -\u0026gt; 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 \u0026gt;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: -\u0026gt; \u00a1entendido! Evite la lectura fuera de los l\u00edmites copiando la direcci\u00f3n del dispositivo en un b\u00fafer de tama\u00f1o suficiente."
    }
  ],
  "id": "CVE-2024-46743",
  "lastModified": "2026-10-15T01:18:52.200",
  "metrics": {
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          "userInteraction": "NONE",
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          "version": "3.1"
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        "impactScore": 5.5,
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        "type": "Secondary"
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          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
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  "published": "2024-09-18T08:15:03.540",
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}

CVE-2024-46743 (GCVE-0-2024-46743)

Vulnerability from cvelistv5 – Published: 2024-09-18 07:12 – Updated: 2026-10-15 00:50

Title

of/irq: Prevent device address out-of-bounds read in interrupt map walk

Summary

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-29 14:49 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7056 records in the last 180 days details

References

13 references

URL	Tags
https://git.kernel.org/stable/c/d2a79494d8a526294…
https://git.kernel.org/stable/c/defcaa426ba0bc89f…
https://git.kernel.org/stable/c/9d1e9f0876b03d74d…
https://git.kernel.org/stable/c/baaf26723beab3a04…
https://git.kernel.org/stable/c/8ff351ea12e918db1…
https://git.kernel.org/stable/c/7ead730af11ee7da1…
https://git.kernel.org/stable/c/bf68acd840b6a5bfd…
https://git.kernel.org/stable/c/b739dffa5d570b411…
https://lists.debian.org/debian-lts-announce/2025…
https://lists.debian.org/debian-lts-announce/2024…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…

Impacted products

9 products

Vendor	Product	Version
Linux	Linux	Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < d2a79494d8a5262949736fb2c3ac44d20a51b0d8 (git) Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < defcaa426ba0bc89ffdafb799d2e50b52f74ffc4 (git) Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < 9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5 (git) Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < baaf26723beab3a04da578d3008be3544f83758f (git) Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < 8ff351ea12e918db1373b915c4c268815929cbe5 (git) Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < 7ead730af11ee7da107f16fc77995613c58d292d (git) Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < bf68acd840b6a5bfd3777e0d5aaa204db6b461a9 (git) Affected: cc9fd71c62f542233c412b5fabc1bbe0c4d5ad08 , < b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305 (git)
Linux	Linux	Affected: 2.6.18 Unaffected: 0 , < 2.6.18 (semver) Unaffected: 4.19.322 , ≤ 4.19.* (semver) Unaffected: 5.4.284 , ≤ 5.4.* (semver) Unaffected: 5.10.226 , ≤ 5.10.* (semver) Unaffected: 5.15.167 , ≤ 5.15.* (semver) Unaffected: 6.1.110 , ≤ 6.1.* (semver) Unaffected: 6.6.51 , ≤ 6.6.* (semver) Unaffected: 6.10.10 , ≤ 6.10.* (semver) Unaffected: 6.11 , ≤ * (original_commit_for_fix)
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	Affected: 0 , < V1.1.1 (custom)
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)
Siemens	RUGGEDCOM RST2428P	Affected: 0 , < V3.2 (custom)
Siemens	SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family	Affected: 0 , < V3.2 (custom)
Siemens	SCALANCE XCM-/XRM-/XCH-/XRH-300 family	Affected: 0 , < V3.2 (custom)

Show details on NVD website

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            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.322",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.284",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.226",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.167",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.110",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.51",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.10.10",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11",
                  "versionStartIncluding": "2.6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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:  -\u003e 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  \u003effffff81beca5600: 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:  -\u003e got it !\n\nPrevent the out-of-bounds read by copying the device address into a\nbuffer of sufficient size."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable code parses device-tree data during device instantiation and driver probe; there is no path by which network- or bus-peer-supplied data reaches `of_irq_parse_one()`. Triggering it requires local presence on the system (module autoload/device instantiation, or applying a DT overlay).\nAC:L - The out-of-bounds read is a deterministic consequence of the DT shape \u2014 any node whose `reg` is shorter than its interrupt parent\u0027s `#address-cells` hits it on every parse, with no race, timing window, or memory-layout condition to win. A party able to supply DT data arranges it trivially, and on an affected platform it fires unconditionally.\nPR:L - On a platform whose shipped device tree carries the `reg`/`#address-cells` mismatch \u2014 a real, observed configuration in the reporting bug \u2014 an unprivileged local user can drive the affected node through `device_add()`/`platform_get_irq()` by triggering module autoload or device instantiation, with no capability required. Full control over the DT blob would need root or firmware access, but that stronger requirement is not necessary to reach the faulty read.\nUI:N - Interrupt resolution happens automatically during device registration and driver probe; no victim action such as opening a file or mounting a filesystem is involved.\nS:U - The out-of-bounds read and its consequences are confined to kernel memory and kernel IRQ-routing state within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Up to ~60 bytes of adjacent slab memory beyond the `reg` allocation are read into `initial_match_array`, well past the \"few bytes\" threshold and unconstrained as to what neighbouring heap object is disclosed. The values then steer interrupt-map matching, so the resulting IRQ assignment observable in `/proc/interrupts` acts as an oracle on out-of-bounds heap contents.\nI:L - The out-of-bounds bytes are used directly as the match key for the interrupt-map walk, so uninitialized adjacent-heap data determines which interrupt parent and hwirq the device is bound to \u2014 a genuine but bounded corruption of kernel device configuration. There is no write primitive, so arbitrary modification or control-flow hijack is not achievable.\nA:H - With KASAN or arm64 MTE (`KASAN_HW_TAGS`, enabled on production Android) and `kasan.fault=panic`, the slab out-of-bounds read is an immediate kernel panic; for the base unflattened DT blob the read can also run past the final page and oops. Misrouted interrupts from a bogus match additionally leave the affected device non-functional."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:38:18.138Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d2a79494d8a5262949736fb2c3ac44d20a51b0d8"
        },
        {
          "url": "https://git.kernel.org/stable/c/defcaa426ba0bc89ffdafb799d2e50b52f74ffc4"
        },
        {
          "url": "https://git.kernel.org/stable/c/9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5"
        },
        {
          "url": "https://git.kernel.org/stable/c/baaf26723beab3a04da578d3008be3544f83758f"
        },
        {
          "url": "https://git.kernel.org/stable/c/8ff351ea12e918db1373b915c4c268815929cbe5"
        },
        {
          "url": "https://git.kernel.org/stable/c/7ead730af11ee7da107f16fc77995613c58d292d"
        },
        {
          "url": "https://git.kernel.org/stable/c/bf68acd840b6a5bfd3777e0d5aaa204db6b461a9"
        },
        {
          "url": "https://git.kernel.org/stable/c/b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305"
        }
      ],
      "title": "of/irq: Prevent device address out-of-bounds read in interrupt map walk",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46743",
    "datePublished": "2024-09-18T07:12:04.166Z",
    "dateReserved": "2024-09-11T15:12:18.264Z",
    "dateUpdated": "2026-10-15T00:50:21.300Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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