{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "2f69c5685427308d2f312646779313f3677536bc"
            },
            {
              "fixed": "d8df91756890de058646597367507b239a6d2025"
            },
            {
              "fixed": "26490a375cb9be9bac96b5171610fd85ca6c2305"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72401.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix insn_aux_data leak on verifier err_free_env path\n\nWhen bpf_check() allocates env-\u003einsn_aux_data successfully but later\nfails to allocate env-\u003esucc, it jumps directly to err_free_env.\n\nThe existing vfree(env-\u003einsn_aux_data) sits before the err_free_env\nlabel, so that direct jump bypasses it and leaks insn_aux_data.\n\nMove vfree(env-\u003einsn_aux_data) into err_free_env so all early and late\nexit paths release it consistently.",
  "id": "CVE-2026-72401",
  "modified": "2026-08-16T03:31:04.405795325Z",
  "published": "2026-08-15T05:56:26.197Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26490a375cb9be9bac96b5171610fd85ca6c2305"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8df91756890de058646597367507b239a6d2025"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72401.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72401"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "bpf: Fix insn_aux_data leak on verifier err_free_env path"
}