perf: Ensure swevent hrtimer is properly destroyed

{
  "id": "5f8e998fecd8c72338971d8dbc861bf46128fd7b9f8f5f75cb65454b2e64b208",
  "url": "https://osv.dev/vulnerability/CVE-2026-23014",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "perf: Ensure swevent hrtimer is properly destroyed",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimer_try_to_cancel() in perf_swevent_cancel_hrtimer() it appears possible for the hrtimer to still be active by the time the event gets freed. Make sure the event does a full hrtimer_cancel() on the free path by installing a perf_event::destroy handler.",
    "evidence": "osv:CVE-2026-23014",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-23014",
      "aliases": [
        "CVE-2026-23014"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
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              "type": "GIT",
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            "v6.17.12",
            "v6.17.11",
            "v6.17.10",
            "v6.17.9",
            "v6.17.8"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23014.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.18.0"
                },
                {
                  "fixed": "6.18.6"
                }
              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23014.json"
          }
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      ],
      "modified": "2026-10-28T02:30:29.231609437Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/deee9dfb111ab00f9dfd46c0c7e36656b80f5235",
        "https://git.kernel.org/stable/c/ff5860f5088e9076ebcccf05a6ca709d5935cfa9",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23014.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-23014",
        "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/2026/23xxx/CVE-2026-23014.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-23014",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496048,
  "published_at": "2026-01-28T14:24:44.189+00:00"
}