{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-40901",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-40901"
  ],
  "published": "2024-07-12T12:21:19Z",
  "summary": "scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory\n\nThere is a potential out-of-bounds access when using test_bit() on a single\nword. The test_bit() and set_bit() functions operate on long values, and\nwhen testing or setting a single word, they can exceed the word\nboundary. KASAN detects this issue and produces a dump:\n\n\t BUG: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas\n\n\t Write of size 8 at addr ffff8881d26e3c60 by task kworker/u1536:2/2965\n\nFor full log, please look at [1].\n\nMake the allocation at least the size of sizeof(unsigned long) so that\nset_bit() and test_bit() have sufficient room for read/write operations\nwithout overwriting unallocated memory.\n\n[1] Link: https://lore.kernel.org/all/ZkNcALr3W3KGYYJG@gmail.com/",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.95",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-40901"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/19649e49a6df07cd2e03e0a11396fd3a99485ec2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}