{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "6c0a2078134aba6a77291554035304df9e16b85c"
            },
            {
              "fixed": "b014cc945baba75816cda0cf8934be87c9ed4947"
            },
            {
              "fixed": "c5c5a6c53cf3b658f1d4512dfa61f3cd25bc34ba"
            },
            {
              "fixed": "b267255c15d2a5b90c4e926146aa155e5161e264"
            },
            {
              "fixed": "3d542cf3c4c854cdf5d58049771f68926b9eb2b9"
            },
            {
              "fixed": "3d4f23885e4b90347c9a1d779af6e79a99b5172a"
            },
            {
              "fixed": "df1d8abf36ca3681c21a6809eaa9a1e01ef897a6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "6.1.167"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.130"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.78"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.19"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43436.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces\n\nThe Scarlett2 mixer quirk in USB-audio driver may hit a NULL\ndereference when a malformed USB descriptor is passed, since it\nassumes the presence of an endpoint in the parsed interface in\nscarlett2_find_fc_interface(), as reported by fuzzer.\n\nFor avoiding the NULL dereference, just add the sanity check of\nbNumEndpoints and skip the invalid interface.",
  "id": "CVE-2026-43436",
  "modified": "2026-07-15T01:49:08.054998058Z",
  "published": "2026-05-08T14:22:06.632Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d4f23885e4b90347c9a1d779af6e79a99b5172a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d542cf3c4c854cdf5d58049771f68926b9eb2b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b014cc945baba75816cda0cf8934be87c9ed4947"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b267255c15d2a5b90c4e926146aa155e5161e264"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c5c5a6c53cf3b658f1d4512dfa61f3cd25bc34ba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/df1d8abf36ca3681c21a6809eaa9a1e01ef897a6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43436.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43436"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "ALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces"
}