net: stmmac: fix possible memory leak in stmmac_dvr_probe()

{
  "id": "d522bb2ea0f3ed99e63ac11e11fad500c83602d94ed6a65c0648994b3a106d3a",
  "url": "https://osv.dev/vulnerability/CVE-2022-50663",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: stmmac: fix possible memory leak in stmmac_dvr_probe()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix possible memory leak in stmmac_dvr_probe() The bitmap_free() should be called to free priv->af_xdp_zc_qps when create_singlethread_workqueue() fails, otherwise there will be a memory leak, so we add the err path error_wq_init to fix it.",
    "evidence": "osv:CVE-2022-50663",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.86",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50663",
      "aliases": [
        "CVE-2022-50663"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "bba2556efad66e7eaa56fece13f7708caa1187f8"
                },
                {
                  "fixed": "96e50897029f65222ef76cfe9bc802321fcea33b"
                },
                {
                  "fixed": "b59253e32c203a20bce15dca80890b7d268bacd7"
                },
                {
                  "fixed": "446757787baf99b7db15cb347783c45a37bfe21f"
                },
                {
                  "fixed": "a137f3f27f9290933fe7e40e6dc8a445781c31a2"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50663.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.13.0"
                },
                {
                  "fixed": "5.15.86"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.0.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.1.0"
                },
                {
                  "fixed": "6.1.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50663.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.135396193Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/446757787baf99b7db15cb347783c45a37bfe21f",
        "https://git.kernel.org/stable/c/96e50897029f65222ef76cfe9bc802321fcea33b",
        "https://git.kernel.org/stable/c/a137f3f27f9290933fe7e40e6dc8a445781c31a2",
        "https://git.kernel.org/stable/c/b59253e32c203a20bce15dca80890b7d268bacd7",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50663.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50663",
        "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/2022/50xxx/CVE-2022-50663.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50663",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 499230,
  "published_at": "2025-12-09T01:29:12.392+00:00"
}