CVE-2023-53754 (GCVE-0-2023-53754)
Vulnerability from cvelistv5
Published
2025-12-08 01:19
Modified
2025-12-08 01:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup() When if_type equals zero and pci_resource_start(pdev, PCI_64BIT_BAR4) returns false, drbl_regs_memmap_p is not remapped. This passes a NULL pointer to iounmap(), which can trigger a WARN() on certain arches. When if_type equals six and pci_resource_start(pdev, PCI_64BIT_BAR4) returns true, drbl_regs_memmap_p may has been remapped and ctrl_regs_memmap_p is not remapped. This is a resource leak and passes a NULL pointer to iounmap(). To fix these issues, we need to add null checks before iounmap(), and change some goto labels.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1351e69fc6db30e186295f1c9495d03cef6a01a2
Version: 1351e69fc6db30e186295f1c9495d03cef6a01a2
Version: 1351e69fc6db30e186295f1c9495d03cef6a01a2
Version: 1351e69fc6db30e186295f1c9495d03cef6a01a2
Version: 1351e69fc6db30e186295f1c9495d03cef6a01a2
Version: 1351e69fc6db30e186295f1c9495d03cef6a01a2
Version: 1351e69fc6db30e186295f1c9495d03cef6a01a2
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{
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          "programFiles": [
            "drivers/scsi/lpfc/lpfc_init.c"
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      "cpeApplicability": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()\n\nWhen if_type equals zero and pci_resource_start(pdev, PCI_64BIT_BAR4)\nreturns false, drbl_regs_memmap_p is not remapped. This passes a NULL\npointer to iounmap(), which can trigger a WARN() on certain arches.\n\nWhen if_type equals six and pci_resource_start(pdev, PCI_64BIT_BAR4)\nreturns true, drbl_regs_memmap_p may has been remapped and\nctrl_regs_memmap_p is not remapped. This is a resource leak and passes a\nNULL pointer to iounmap().\n\nTo fix these issues, we need to add null checks before iounmap(), and\nchange some goto labels."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-08T01:19:14.821Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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        {
          "url": "https://git.kernel.org/stable/c/91a0c0c1413239d0548b5aac4c82f38f6d53a91e"
        }
      ],
      "title": "scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53754",
    "datePublished": "2025-12-08T01:19:14.821Z",
    "dateReserved": "2025-12-08T01:18:04.280Z",
    "dateUpdated": "2025-12-08T01:19:14.821Z",
    "state": "PUBLISHED"
  },
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53754\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-08T02:15:50.973\",\"lastModified\":\"2025-12-08T18:26:19.900\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()\\n\\nWhen if_type equals zero and pci_resource_start(pdev, PCI_64BIT_BAR4)\\nreturns false, drbl_regs_memmap_p is not remapped. This passes a NULL\\npointer to iounmap(), which can trigger a WARN() on certain arches.\\n\\nWhen if_type equals six and pci_resource_start(pdev, PCI_64BIT_BAR4)\\nreturns true, drbl_regs_memmap_p may has been remapped and\\nctrl_regs_memmap_p is not remapped. This is a resource leak and passes a\\nNULL pointer to iounmap().\\n\\nTo fix these issues, we need to add null checks before iounmap(), and\\nchange some goto labels.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/631d0fab143bef85ea0813596f1dda36e2b9724c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/74d90f92eafe8ccd12827228236a28a94eda6bcc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7e5a54d1f00725a739dcd20f616d82eff4f764bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/91a0c0c1413239d0548b5aac4c82f38f6d53a91e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bab8dc38b1a0a12bc064fc064269033bdcf5b88e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e6f1ef4a53856ed000b0f7265d7e16dcb00f4243\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fd8c83d8375b9dac1949f2753485a5c055ebfad0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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