In the Linux kernel, the following vulnerability has been resolved:

mtd: rawnand: fsl_upm: Fix an off-by one test in fun_exec_op()

'op-cs' is copied in 'fun->mchip_number' which is used to access the
'mchip_offsets' and the 'rnb_gpio' arrays.
These arrays have NAND_MAX_CHIPS elements, so the index must be below this
limit.

Fix the sanity check in order to avoid the NAND_MAX_CHIPS value. This
would lead to out-of-bound accesses.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 25 Dec 2025 12:15:00 +0000


Wed, 24 Dec 2025 13:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: fsl_upm: Fix an off-by one test in fun_exec_op() 'op-cs' is copied in 'fun->mchip_number' which is used to access the 'mchip_offsets' and the 'rnb_gpio' arrays. These arrays have NAND_MAX_CHIPS elements, so the index must be below this limit. Fix the sanity check in order to avoid the NAND_MAX_CHIPS value. This would lead to out-of-bound accesses.
Title mtd: rawnand: fsl_upm: Fix an off-by one test in fun_exec_op()
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: 2025-12-24T13:06:29.354Z

Reserved: 2025-12-24T13:02:52.517Z

Link: CVE-2023-54104

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-24T13:16:12.293

Modified: 2025-12-24T13:16:12.293

Link: CVE-2023-54104

cve-icon Redhat

Severity :

Publid Date: 2025-12-24T00:00:00Z

Links: CVE-2023-54104 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.