{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "3e187152f44d76d7633a3855ffd0099e1588b82a"
            },
            {
              "fixed": "b7faf660eefa2047ebc2959ff76da2b6eae2e9e3"
            },
            {
              "fixed": "2fd64bf0ad66ab5de0c73524591d879427ba5aba"
            },
            {
              "fixed": "4cb722747ed25971f35cc47ce5c0e79d7f717713"
            },
            {
              "fixed": "130d6567eb148040eed1b73e1414ad6c27d22bd5"
            },
            {
              "fixed": "294692d3296eee3391c348d7ea6401916d27806c"
            },
            {
              "fixed": "5a79b634ee58786ca627268daefa7744f2af2e14"
            },
            {
              "fixed": "0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.12"
            },
            {
              "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-2026-53195.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()\n\nbuild_i2c_fw_hdr() allocates a fixed-size buffer of\n(16*1024 - 512) + sizeof(struct ti_i2c_firmware_rec) bytes, then\ncopies le16_to_cpu(img_header-\u003eLength) bytes into it without\nvalidating that Length fits within the available space after the\nfirmware record header.\n\nimg_header-\u003eLength is a __le16 from the firmware file and can be\nup to 65535. check_fw_sanity() validates the total firmware size\nbut not img_header-\u003eLength specifically.\n\nFix by rejecting images where img_header-\u003eLength exceeds the\navailable destination space.",
  "id": "CVE-2026-53195",
  "modified": "2026-07-08T05:38:47.186954351Z",
  "published": "2026-06-25T08:39:05.673Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0fd2b00b2d3d05e3eaa13342b3dfb0fa85c226ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/130d6567eb148040eed1b73e1414ad6c27d22bd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/294692d3296eee3391c348d7ea6401916d27806c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2fd64bf0ad66ab5de0c73524591d879427ba5aba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e187152f44d76d7633a3855ffd0099e1588b82a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4cb722747ed25971f35cc47ce5c0e79d7f717713"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5a79b634ee58786ca627268daefa7744f2af2e14"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7faf660eefa2047ebc2959ff76da2b6eae2e9e3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53195.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53195"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr()"
}