{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-46715",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-46715"
  ],
  "published": "2024-09-18T06:32:49Z",
  "summary": "driver: iio: add missing checks on iio_info's callback access",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndriver: iio: add missing checks on iio_info's callback access\n\nSome callbacks from iio_info structure are accessed without any check, so\nif a driver doesn't implement them trying to access the corresponding\nsysfs entries produce a kernel oops such as:\n\n[ 2203.527791] Unable to handle kernel NULL pointer dereference at virtual address 00000000 when execute\n[...]\n[ 2203.783416] Call trace:\n[ 2203.783429]  iio_read_channel_info_avail from dev_attr_show+0x18/0x48\n[ 2203.789807]  dev_attr_show from sysfs_kf_seq_show+0x90/0x120\n[ 2203.794181]  sysfs_kf_seq_show from seq_read_iter+0xd0/0x4e4\n[ 2203.798555]  seq_read_iter from vfs_read+0x238/0x2a0\n[ 2203.802236]  vfs_read from ksys_read+0xa4/0xd4\n[ 2203.805385]  ksys_read from ret_fast_syscall+0x0/0x54\n[ 2203.809135] Exception stack(0xe0badfa8 to 0xe0badff0)\n[ 2203.812880] dfa0:                   00000003 b6f10f80 00000003 b6eab000 00020000 00000000\n[ 2203.819746] dfc0: 00000003 b6f10f80 7ff00000 00000003 00000003 00000000 00020000 00000000\n[ 2203.826619] dfe0: b6e1bc88 bed80958 b6e1bc94 b6e1bcb0\n[ 2203.830363] Code: bad PC value\n[ 2203.832695] ---[ end trace 0000000000000000 ]---",
  "affected": [
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        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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        "1:6.6.20-1+rpt1",
        "1:6.6.28-1+rpt1",
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-46715"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2b961d5786b4b31c367c719a2f918569b444c007"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0cc7e0ee31e5c44904e98e2229d591e093282a70"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/72f022ebb9deac28663fa4c04ba315ed5d6654d1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/dc537a72f64890d883d24ae4ac58733fc5bc523d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c4ec8dedca961db056ec85cb7ca8c9f7e2e92252"
    }
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  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}