{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179"
            },
            {
              "fixed": "c55da494dfb445fb28df3a9d293c2be6a299cd01"
            },
            {
              "fixed": "7720654b4842bcdfeb64bc002f6186041849e1e7"
            },
            {
              "fixed": "033dfa63bf6be2653441a1dccae4a8313a91bb9d"
            },
            {
              "fixed": "fc261397295b8ad0654cec747b0ec25ea0011995"
            },
            {
              "fixed": "a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb"
            },
            {
              "fixed": "b5daa920f44cb582272fc9bfaeb67408776cbaef"
            },
            {
              "fixed": "b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4"
            },
            {
              "fixed": "4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb"
            }
          ],
          "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-2026-53146.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Limit XDomain response copy to actual frame size\n\ntb_xdomain_copy() copies req-\u003eresponse_size bytes from the received\npacket buffer regardless of the actual frame size.  When a short\nresponse arrives, this reads past the valid frame data in the DMA\npool buffer into stale contents from previous transactions.\n\nUse the minimum of frame size and expected response size for the\ncopy length.",
  "id": "CVE-2026-53146",
  "modified": "2026-07-08T05:38:59.707213292Z",
  "published": "2026-06-25T08:38:32.877Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/033dfa63bf6be2653441a1dccae4a8313a91bb9d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7720654b4842bcdfeb64bc002f6186041849e1e7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b5daa920f44cb582272fc9bfaeb67408776cbaef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c55da494dfb445fb28df3a9d293c2be6a299cd01"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc261397295b8ad0654cec747b0ec25ea0011995"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53146.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53146"
    },
    {
      "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:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "thunderbolt: Limit XDomain response copy to actual frame size"
}