{"id":"CVE-2023-53754","state":"PUBLISHED","title":"scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()","description":"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.","publishedAt":"2025-12-08T01:19:14.821Z","updatedAt":"2026-05-11T19:51:02.258Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"74d90f92eafe8ccd12827228236a28a94eda6bcc","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"bab8dc38b1a0a12bc064fc064269033bdcf5b88e","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"fd8c83d8375b9dac1949f2753485a5c055ebfad0","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"e6f1ef4a53856ed000b0f7265d7e16dcb00f4243","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"631d0fab143bef85ea0813596f1dda36e2b9724c","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"7e5a54d1f00725a739dcd20f616d82eff4f764bd","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"91a0c0c1413239d0548b5aac4c82f38f6d53a91e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"5.4.243","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.180","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.111","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_init.c"]}],"references":["https://git.kernel.org/stable/c/74d90f92eafe8ccd12827228236a28a94eda6bcc","https://git.kernel.org/stable/c/bab8dc38b1a0a12bc064fc064269033bdcf5b88e","https://git.kernel.org/stable/c/fd8c83d8375b9dac1949f2753485a5c055ebfad0","https://git.kernel.org/stable/c/e6f1ef4a53856ed000b0f7265d7e16dcb00f4243","https://git.kernel.org/stable/c/631d0fab143bef85ea0813596f1dda36e2b9724c","https://git.kernel.org/stable/c/7e5a54d1f00725a739dcd20f616d82eff4f764bd","https://git.kernel.org/stable/c/91a0c0c1413239d0548b5aac4c82f38f6d53a91e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53754.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53754","state":"PUBLISHED","datePublished":"2025-12-08T01:19:14.821Z","dateUpdated":"2026-05-11T19:51:02.258Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-08T01:18:04.280Z"},"containers":{"cna":{"title":"scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"74d90f92eafe8ccd12827228236a28a94eda6bcc","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"bab8dc38b1a0a12bc064fc064269033bdcf5b88e","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"fd8c83d8375b9dac1949f2753485a5c055ebfad0","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"e6f1ef4a53856ed000b0f7265d7e16dcb00f4243","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"631d0fab143bef85ea0813596f1dda36e2b9724c","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"7e5a54d1f00725a739dcd20f616d82eff4f764bd","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","status":"affected","lessThan":"91a0c0c1413239d0548b5aac4c82f38f6d53a91e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"5.4.243","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.180","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.111","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_init.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/74d90f92eafe8ccd12827228236a28a94eda6bcc"},{"url":"https://git.kernel.org/stable/c/bab8dc38b1a0a12bc064fc064269033bdcf5b88e"},{"url":"https://git.kernel.org/stable/c/fd8c83d8375b9dac1949f2753485a5c055ebfad0"},{"url":"https://git.kernel.org/stable/c/e6f1ef4a53856ed000b0f7265d7e16dcb00f4243"},{"url":"https://git.kernel.org/stable/c/631d0fab143bef85ea0813596f1dda36e2b9724c"},{"url":"https://git.kernel.org/stable/c/7e5a54d1f00725a739dcd20f616d82eff4f764bd"},{"url":"https://git.kernel.org/stable/c/91a0c0c1413239d0548b5aac4c82f38f6d53a91e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:51:02.258Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.4.243"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.10.180"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.15.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.1.28"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.3.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}