{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "2734b629525a9dae5bf217cbf0a9651da93d2108"
            },
            {
              "fixed": "49332e49ad5b20262cc719b03d4123b9362de701"
            },
            {
              "fixed": "b559a218eece132de0c58d444877b5627cbee524"
            },
            {
              "fixed": "b427e9f6d81c9341cba23ef92f860f99f830d91d"
            },
            {
              "fixed": "f383cff9fb382139980bac1bcd3f3f5d59f68435"
            },
            {
              "fixed": "1a150947f8480262a46c860f1acb9c6597ca7097"
            },
            {
              "fixed": "798183376d9d3e278a270ea0e75a5769c8f145d9"
            },
            {
              "fixed": "b6723339736320b2e1784258ad4490cec7aac11a"
            },
            {
              "fixed": "8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.17.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.142"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.92"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64173.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Do not call map-\u003eops-\u003eelt_free() if elt_alloc() fails\n\nIn paths where tracing_map_elt_alloc() failed to allocate objects,\nthe map-\u003eops-\u003eelt_alloc() call was never successful. In this case,\nmap-\u003eops-\u003eelt_free() should not be called.",
  "id": "CVE-2026-64173",
  "modified": "2026-08-01T03:33:04.164883217Z",
  "published": "2026-07-19T15:40:58.251Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64173.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64173"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "tracing: Do not call map-\u003eops-\u003eelt_free() if elt_alloc() fails"
}