io_uring/zcrx: fix pp destruction warnings

{
  "id": "59014c7c665562d9929d39f1fb80d60a95c831df1e73f8b3ec6788027bfe68ae",
  "url": "https://osv.dev/vulnerability/CVE-2025-38504",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "io_uring/zcrx: fix pp destruction warnings",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix pp destruction warnings With multiple page pools and in some other cases we can have allocated niovs on page pool destruction. Remove a misplaced warning checking that all niovs are returned to zcrx on io_pp_zc_destroy(). It was reported before but apparently got lost.",
    "evidence": "osv:CVE-2025-38504",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.15.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-38504",
      "aliases": [
        "CVE-2025-38504"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "ad9f1b5bed082b9c910e2a24bae0286a70846909"
                },
                {
                  "fixed": "203817de269539c062724d97dfa5af3cdf77a3ec"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38504.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.15.0"
                },
                {
                  "fixed": "6.15.7"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38504.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.852979751Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/203817de269539c062724d97dfa5af3cdf77a3ec",
        "https://git.kernel.org/stable/c/ad9f1b5bed082b9c910e2a24bae0286a70846909",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38504.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38504",
        "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/2025/38xxx/CVE-2025-38504.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38504",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 487995,
  "published_at": "2025-08-16T10:54:42.086+00:00"
}