net: sched: fix possible refcount leak in tc_new_tfilter()

{
  "id": "27e69e2623a14c9658b42ad927c6025453c688b9f6d15f6a18c2aeb736a1ba9d",
  "url": "https://osv.dev/vulnerability/CVE-2022-48639",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: sched: fix possible refcount leak in tc_new_tfilter()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: sched: fix possible refcount leak in tc_new_tfilter() tfilter_put need to be called to put the refount got by tp->ops->get to avoid possible refcount leak when chain->tmplt_ops != NULL and chain->tmplt_ops != tp->ops.",
    "evidence": "osv:CVE-2022-48639",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.215",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.146",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.71",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.19.12",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-48639",
      "aliases": [
        "CVE-2022-48639"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "7d5509fa0d3ddfe252b4418513e493ac98de3317"
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                {
                  "fixed": "903f7d322c17d8e306d766404b4604e81653902a"
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                {
                  "fixed": "8844c750eeb03452e2b3319c27a526f447b82596"
                },
                {
                  "fixed": "f8162aed962be8fa07445b2b5928e84ab40dd8d7"
                },
                {
                  "fixed": "0559d91ee3a2cd81b15ad5cd507539d6da867f88"
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                  "fixed": "c2e1cfefcac35e0eea229e148c8284088ce437b5"
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              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48639.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.1.0"
                },
                {
                  "fixed": "5.4.215"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
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                {
                  "fixed": "5.10.146"
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.71"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "5.19.12"
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48639.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.847534209Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0559d91ee3a2cd81b15ad5cd507539d6da867f88",
        "https://git.kernel.org/stable/c/8844c750eeb03452e2b3319c27a526f447b82596",
        "https://git.kernel.org/stable/c/903f7d322c17d8e306d766404b4604e81653902a",
        "https://git.kernel.org/stable/c/c2e1cfefcac35e0eea229e148c8284088ce437b5",
        "https://git.kernel.org/stable/c/f8162aed962be8fa07445b2b5928e84ab40dd8d7",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48639.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48639",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48639.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-48639",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 499779,
  "published_at": "2024-04-28T12:59:42.41+00:00"
}