{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "86d7182985d25900929adce14fffd729cc8c6fb8"
            },
            {
              "fixed": "c08ab702c4699c6efb9d60bdb15b73e7a627ee7e"
            },
            {
              "fixed": "2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd"
            },
            {
              "fixed": "5efc3ef4758f8d98c257419fa21daca3227de61a"
            },
            {
              "fixed": "d7aef29573c7c5cdb2dfad939253287a6329c2a4"
            },
            {
              "fixed": "3facdecc3fcf115cc4f9b3d8f118d6705e2456a8"
            },
            {
              "fixed": "51075df70c46e60a9773f2dcd28299e40dac36fb"
            },
            {
              "fixed": "02115986d027ade793e7f6be87e91d6a796d0aa3"
            },
            {
              "fixed": "2bf2d65f76697820dbc4227d13866293576dd90a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.10.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.141"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53021.json"
  },
  "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.",
  "id": "CVE-2026-53021",
  "modified": "2026-07-08T05:39:29.733057556Z",
  "published": "2026-06-24T16:29:30.671Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53021.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53021"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "scsi: target: core: Fix integer overflow in UNMAP bounds check"
}