{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179"
            },
            {
              "fixed": "0b334279a82d79fb4723bd4f614305de1ab69caa"
            },
            {
              "fixed": "6021d39ccd979713b39b980286020d8f9a45efd1"
            },
            {
              "fixed": "89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d"
            },
            {
              "fixed": "5db10c8ad8c09f72c847dfeef3d876098257f505"
            },
            {
              "fixed": "05a43157676c243c248d1c6d9dcecbe6eba2f35d"
            },
            {
              "fixed": "fcbd0cdab92838854a5818be7ed8a097164ef6d5"
            },
            {
              "fixed": "906035d5c3784570191d259cbf9a0ac1617852b5"
            },
            {
              "fixed": "322e93448d908434ae5545660fcbe8f5a7a8e141"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.15.0"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.94"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.36"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53148.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Clamp XDomain response data copy to allocation size\n\ntb_xdp_properties_request() derives the per-packet copy length from\nthe response header without checking that it fits in the previously\nallocated data buffer.  A malicious peer can set its length field\nlarger than the declared data_length, causing memcpy to write past\nthe kcalloc allocation.\n\nClamp the per-packet copy length so that the cumulative offset\nnever exceeds data_len.",
  "id": "CVE-2026-53148",
  "modified": "2026-07-08T05:37:21.821752809Z",
  "published": "2026-06-25T08:38:34.208Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/05a43157676c243c248d1c6d9dcecbe6eba2f35d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0b334279a82d79fb4723bd4f614305de1ab69caa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/322e93448d908434ae5545660fcbe8f5a7a8e141"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5db10c8ad8c09f72c847dfeef3d876098257f505"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6021d39ccd979713b39b980286020d8f9a45efd1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/906035d5c3784570191d259cbf9a0ac1617852b5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fcbd0cdab92838854a5818be7ed8a097164ef6d5"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53148.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-53148"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53148.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53148"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492756"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "thunderbolt: Clamp XDomain response data copy to allocation size"
}