{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-53021",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-53021"
  ],
  "published": "2026-06-24T16:31:02Z",
  "summary": "scsi: target: core: Fix integer overflow in UNMAP bounds check",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: core: Fix integer overflow in UNMAP bounds check\n\nsbc_execute_unmap() checks LBA + range does not exceed the device capacity,\nbut does not guard against LBA + range wrapping around on 64-bit overflow.\n\nAdd an overflow check matching the pattern already used for WRITE_SAME in\nthe same file.",
  "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": "6.1.175",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53021"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-06-24T16:31:02Z"
  }
}