CVE-2023-54104 (GCVE-0-2023-54104)
Vulnerability from cvelistv5
Published
2025-12-24 13:06
Modified
2025-12-24 13:06
Severity ?
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: 54309d65776755bcdb9dcf3744cd764fc1e254ea
Version: 54309d65776755bcdb9dcf3744cd764fc1e254ea
Version: 54309d65776755bcdb9dcf3744cd764fc1e254ea
Version: 54309d65776755bcdb9dcf3744cd764fc1e254ea
Version: 54309d65776755bcdb9dcf3744cd764fc1e254ea
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{
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          "product": "Linux",
          "programFiles": [
            "drivers/mtd/nand/raw/fsl_upm.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: fsl_upm: Fix an off-by one test in fun_exec_op()\n\n\u0027op-cs\u0027 is copied in \u0027fun-\u003emchip_number\u0027 which is used to access the\n\u0027mchip_offsets\u0027 and the \u0027rnb_gpio\u0027 arrays.\nThese arrays have NAND_MAX_CHIPS elements, so the index must be below this\nlimit.\n\nFix the sanity check in order to avoid the NAND_MAX_CHIPS value. This\nwould lead to out-of-bound accesses."
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      "providerMetadata": {
        "dateUpdated": "2025-12-24T13:06:29.354Z",
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      "title": "mtd: rawnand: fsl_upm: Fix an off-by one test in fun_exec_op()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54104",
    "datePublished": "2025-12-24T13:06:29.354Z",
    "dateReserved": "2025-12-24T13:02:52.517Z",
    "dateUpdated": "2025-12-24T13:06:29.354Z",
    "state": "PUBLISHED"
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}


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