net/mlx5: Fix vport QoS cleanup on error

{
  "id": "941c7aac3d2dbf287c8d35919d90fa168a77392b6829b31613b4338dfbb40dab",
  "url": "https://osv.dev/vulnerability/CVE-2025-21882",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net/mlx5: Fix vport QoS cleanup on error",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix vport QoS cleanup on error When enabling vport QoS fails, the scheduling node was never freed, causing a leak. Add the missing free and reset the vport scheduling node pointer to NULL.",
    "evidence": "osv:CVE-2025-21882",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.13.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-21882",
      "aliases": [
        "CVE-2025-21882"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "fead368502bce0e10bea7c0d2895b2fa0c6c10aa"
                },
                {
                  "fixed": "7f3528f7d2f98b70e19a6bb7b130fc82c079ac54"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21882.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.13.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21882.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.922310722Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/7f3528f7d2f98b70e19a6bb7b130fc82c079ac54",
        "https://git.kernel.org/stable/c/fead368502bce0e10bea7c0d2895b2fa0c6c10aa",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21882.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21882",
        "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/2025/21xxx/CVE-2025-21882.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-21882",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496494,
  "published_at": "2025-03-27T14:57:10.906+00:00"
}