{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "229cab526580f82839ae8e4e379753c8cf16952e"
            },
            {
              "fixed": "381495b5b3da12d714e53d9d12d955b13fe26eac"
            },
            {
              "fixed": "b5753bdfd909f7f095fb464d67802b5e52cbadbf"
            },
            {
              "fixed": "861111a14740e12c36d363e9830f8daa734279c9"
            }
          ],
          "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": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97930.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usbusx2y: fix in04_last array size mismatch with in04_buf\n\nThe in04_last array in struct usx2ydev is declared as char[24], but\nin04_buf is allocated as sizeof(struct us428_ctls) which is 21 bytes.\nIn i_usx2y_in04_int(), when ctl_snapshot_last == -2 (initialization\npath):\n\n    memcpy(usx2y-\u003ein04_last, usx2y-\u003ein04_buf, sizeof(usx2y-\u003ein04_last));\n\nThis copies 24 bytes from a 21-byte slab allocation, reading 3 bytes\npast the end of the source object.\n\nIntroduce a USX2Y_IN04_SIZE constant defined as sizeof(struct\nus428_ctls) and use it consistently for the in04_last array, the\nin04_buf allocation, the URB transfer length, and the comparison loop,\nreplacing the bare 24 and 21 literals throughout.",
  "id": "CVE-2026-97930",
  "modified": "2026-09-27T03:30:33.104401987Z",
  "published": "2026-09-25T10:22:46.713Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/229cab526580f82839ae8e4e379753c8cf16952e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/381495b5b3da12d714e53d9d12d955b13fe26eac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/861111a14740e12c36d363e9830f8daa734279c9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b5753bdfd909f7f095fb464d67802b5e52cbadbf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97930.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-97930"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "ALSA: usbusx2y: fix in04_last array size mismatch with in04_buf"
}