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

{
  "id": "395a01d14d2120e01e79c4a03bd0ec75778a4aeb275886f301ce07a510116dbb",
  "url": "https://osv.dev/vulnerability/CVE-2024-46743",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "of/irq: Prevent device address out-of-bounds read in interrupt map walk",
    "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+0x1",
    "evidence": "osv:CVE-2024-46743",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.19.322",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.284",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.226",
            "evidence": "/affected/1/ranges"
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          {
            "value": "5.15.167",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.1.110",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.51",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.10.10",
            "evidence": "/affected/1/ranges"
          }
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        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-46743",
      "aliases": [
        "CVE-2024-46743"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H"
        }
      ],
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                {
                  "fixed": "9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5"
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                {
                  "fixed": "baaf26723beab3a04da578d3008be3544f83758f"
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                {
                  "fixed": "8ff351ea12e918db1373b915c4c268815929cbe5"
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                {
                  "fixed": "7ead730af11ee7da107f16fc77995613c58d292d"
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                  "fixed": "bf68acd840b6a5bfd3777e0d5aaa204db6b461a9"
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            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:23.647010774Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-265688.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-355557.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
        "https://git.kernel.org/stable/c/7ead730af11ee7da107f16fc77995613c58d292d",
        "https://git.kernel.org/stable/c/8ff351ea12e918db1373b915c4c268815929cbe5",
        "https://git.kernel.org/stable/c/9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5",
        "https://git.kernel.org/stable/c/b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305",
        "https://git.kernel.org/stable/c/baaf26723beab3a04da578d3008be3544f83758f",
        "https://git.kernel.org/stable/c/bf68acd840b6a5bfd3777e0d5aaa204db6b461a9",
        "https://git.kernel.org/stable/c/d2a79494d8a5262949736fb2c3ac44d20a51b0d8",
        "https://git.kernel.org/stable/c/defcaa426ba0bc89ffdafb799d2e50b52f74ffc4",
        "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46743.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-46743",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46743.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-46743",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489852,
  "published_at": "2024-09-18T07:12:04.166+00:00"
}