serial: 8250_bcm7271: fix leak in `brcmuart_probe`

{
  "id": "116b98ba168b871f593adf56f1b4357561d098bcc3fcee8a980e1770767ec647",
  "url": "https://osv.dev/vulnerability/CVE-2023-54301",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "serial: 8250_bcm7271: fix leak in `brcmuart_probe`",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: serial: 8250_bcm7271: fix leak in `brcmuart_probe` Smatch reports: drivers/tty/serial/8250/8250_bcm7271.c:1120 brcmuart_probe() warn: 'baud_mux_clk' from clk_prepare_enable() not released on lines: 1032. The issue is fixed by using a managed clock.",
    "evidence": "osv:CVE-2023-54301",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.113",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.30",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.3.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-54301",
      "aliases": [
        "CVE-2023-54301"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "41a469482de257ea8db43cf74b6311bd055de030"
                },
                {
                  "fixed": "5258395e67fee6929fb8e50c8239f8de51b8cb2d"
                },
                {
                  "fixed": "2a3e5f428fc4315be6144524912eaefac16f43a9"
                },
                {
                  "fixed": "56a81445b8e4b8906d557518c5dae3ddbb447d1e"
                },
                {
                  "fixed": "f264f2f6f4788dc031cef60a0cf2881902736709"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54301.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.13.0"
                },
                {
                  "fixed": "5.15.113"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.30"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.3.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54301.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.382119321Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2a3e5f428fc4315be6144524912eaefac16f43a9",
        "https://git.kernel.org/stable/c/5258395e67fee6929fb8e50c8239f8de51b8cb2d",
        "https://git.kernel.org/stable/c/56a81445b8e4b8906d557518c5dae3ddbb447d1e",
        "https://git.kernel.org/stable/c/f264f2f6f4788dc031cef60a0cf2881902736709",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54301.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-54301",
        "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/2023/54xxx/CVE-2023-54301.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-54301",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518005,
  "published_at": "2025-12-30T12:23:36.502+00:00"
}