{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53754","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-08T01:18:04.280Z","datePublished":"2025-12-08T01:19:14.821Z","dateUpdated":"2026-05-11T19:51:02.258Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:51:02.258Z"},"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":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_init.c"],"versions":[{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","lessThan":"74d90f92eafe8ccd12827228236a28a94eda6bcc","status":"affected","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","lessThan":"bab8dc38b1a0a12bc064fc064269033bdcf5b88e","status":"affected","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","lessThan":"fd8c83d8375b9dac1949f2753485a5c055ebfad0","status":"affected","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","lessThan":"e6f1ef4a53856ed000b0f7265d7e16dcb00f4243","status":"affected","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","lessThan":"631d0fab143bef85ea0813596f1dda36e2b9724c","status":"affected","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","lessThan":"7e5a54d1f00725a739dcd20f616d82eff4f764bd","status":"affected","versionType":"git"},{"version":"1351e69fc6db30e186295f1c9495d03cef6a01a2","lessThan":"91a0c0c1413239d0548b5aac4c82f38f6d53a91e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/lpfc/lpfc_init.c"],"versions":[{"version":"4.17","status":"affected"},{"version":"0","lessThan":"4.17","status":"unaffected","versionType":"semver"},{"version":"5.4.243","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.180","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.111","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.28","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2.15","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3.2","lessThanOrEqual":"6.3.*","status":"unaffected","versionType":"semver"},{"version":"6.4","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"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"}]}]}],"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"}],"title":"scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()","x_generator":{"engine":"bippy-1.2.0"}}}}