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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00036.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
1351e69fc6db30e186295f1c9495d03cef6a01a2 affected < 74d90f92eafe8ccd12827228236a28a94eda6bcc
1351e69fc6db30e186295f1c9495d03cef6a01a2 affected < bab8dc38b1a0a12bc064fc064269033bdcf5b88e
1351e69fc6db30e186295f1c9495d03cef6a01a2 affected < fd8c83d8375b9dac1949f2753485a5c055ebfad0
1351e69fc6db30e186295f1c9495d03cef6a01a2 affected < e6f1ef4a53856ed000b0f7265d7e16dcb00f4243
1351e69fc6db30e186295f1c9495d03cef6a01a2 affected < 631d0fab143bef85ea0813596f1dda36e2b9724c
1351e69fc6db30e186295f1c9495d03cef6a01a2 affected < 7e5a54d1f00725a739dcd20f616d82eff4f764bd
1351e69fc6db30e186295f1c9495d03cef6a01a2 affected < 91a0c0c1413239d0548b5aac4c82f38f6d53a91e
Linux Linux affected
Version Status Constraints
4.17 affected —
0 unaffected < 4.17
5.4.243 unaffected ≤ 5.4.*
5.10.180 unaffected ≤ 5.10.*
5.15.111 unaffected ≤ 5.15.*
6.1.28 unaffected ≤ 6.1.*
6.2.15 unaffected ≤ 6.2.*
6.3.2 unaffected ≤ 6.3.*
6.4 unaffected ≤ *

No data.

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/631d0fab143bef85ea0813596f1dda36e2b9724c cve-icon cve-icon
https://git.kernel.org/stable/c/74d90f92eafe8ccd12827228236a28a94eda6bcc cve-icon cve-icon
https://git.kernel.org/stable/c/7e5a54d1f00725a739dcd20f616d82eff4f764bd cve-icon cve-icon
https://git.kernel.org/stable/c/91a0c0c1413239d0548b5aac4c82f38f6d53a91e cve-icon cve-icon
https://git.kernel.org/stable/c/bab8dc38b1a0a12bc064fc064269033bdcf5b88e cve-icon cve-icon
https://git.kernel.org/stable/c/e6f1ef4a53856ed000b0f7265d7e16dcb00f4243 cve-icon cve-icon
https://git.kernel.org/stable/c/fd8c83d8375b9dac1949f2753485a5c055ebfad0 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025120843-CVE-2023-53754-c601@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53754 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53754 cve-icon
History

Tue, 09 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

Mon, 08 Dec 2025 02:00:00 +0000

Type Values Removed Values Added
Description 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.
Title scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-08T01:19:14.821Z

Reserved: 2025-12-08T01:18:04.280Z

Link: CVE-2023-53754

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-08T02:15:50.973

Modified: 2025-12-08T18:26:19.900

Link: CVE-2023-53754

cve-icon Redhat

Severity : Low

Publid Date: 2025-12-08T00:00:00Z

Links: CVE-2023-53754 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.