{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "76180d716f91f035d9c8639497cf5459b44e1a51"
            },
            {
              "fixed": "b895dbed8ac9e12a5ffa1a2165575a8469f8340d"
            },
            {
              "fixed": "9b45125501aad2dff7730970461b455b0e0658ee"
            },
            {
              "fixed": "f6da500b0f8106882598b6dec87fe37d653946cf"
            },
            {
              "fixed": "a28c486434634f6d1e120711d2b09f3eddea6c98"
            },
            {
              "fixed": "7e94cb967778e074411940db4db97f22ed77560c"
            },
            {
              "fixed": "afbf39c0f2297c6abef6d670a82a2079b0836191"
            },
            {
              "fixed": "36315a330e067f7773196940552feacb1debbef1"
            },
            {
              "fixed": "f63edb54d8f738f9c21e2068c777ae1c097df6b7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.13.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93120.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: configfs: fix out-of-bounds read of qw_sign\n\nos_desc_qw_sign_show() passes OS_STRING_QW_SIGN_LEN as the input\nlength to utf16s_to_utf8s(), but that argument counts UTF-16 code\nunits while OS_STRING_QW_SIGN_LEN (14) is the byte size of qw_sign[].\nThe array holds only OS_STRING_QW_SIGN_LEN / 2 (7) code units, so the\nconversion reads up to 7 units (14 bytes) past the end of qw_sign[]\ninto the following members of struct gadget_info when the stored\nsignature fills the array without a NUL terminator, exposing those\nbytes through the configfs attribute.\n\nThe store path halves the count for its input bound but passes the\nfull byte count as the utf8s_to_utf16s() output limit; use the\ndestination code-unit count in both directions.",
  "id": "CVE-2026-93120",
  "modified": "2026-09-19T03:30:39.695362423Z",
  "published": "2026-09-17T16:11:26.548Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36315a330e067f7773196940552feacb1debbef1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e94cb967778e074411940db4db97f22ed77560c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b45125501aad2dff7730970461b455b0e0658ee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a28c486434634f6d1e120711d2b09f3eddea6c98"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/afbf39c0f2297c6abef6d670a82a2079b0836191"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b895dbed8ac9e12a5ffa1a2165575a8469f8340d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f63edb54d8f738f9c21e2068c777ae1c097df6b7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f6da500b0f8106882598b6dec87fe37d653946cf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93120.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93120"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "usb: gadget: configfs: fix out-of-bounds read of qw_sign"
}