fkie_cve-2025-38446
Vulnerability from fkie_nvd
Published
2025-07-25 16:15
Modified
2025-11-19 17:48
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data When num_parents is 4, __clk_register() occurs an out-of-bounds when accessing parent_names member. Use ARRAY_SIZE() instead of hardcode number here. BUG: KASAN: global-out-of-bounds in __clk_register+0x1844/0x20d8 Read of size 8 at addr ffff800086988e78 by task kworker/u24:3/59 Hardware name: NXP i.MX95 19X19 board (DT) Workqueue: events_unbound deferred_probe_work_func Call trace: dump_backtrace+0x94/0xec show_stack+0x18/0x24 dump_stack_lvl+0x8c/0xcc print_report+0x398/0x5fc kasan_report+0xd4/0x114 __asan_report_load8_noabort+0x20/0x2c __clk_register+0x1844/0x20d8 clk_hw_register+0x44/0x110 __clk_hw_register_mux+0x284/0x3a8 imx95_bc_probe+0x4f4/0xa70
Impacted products



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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data\n\nWhen num_parents is 4, __clk_register() occurs an out-of-bounds\nwhen accessing parent_names member. Use ARRAY_SIZE() instead of\nhardcode number here.\n\n BUG: KASAN: global-out-of-bounds in __clk_register+0x1844/0x20d8\n Read of size 8 at addr ffff800086988e78 by task kworker/u24:3/59\n  Hardware name: NXP i.MX95 19X19 board (DT)\n  Workqueue: events_unbound deferred_probe_work_func\n  Call trace:\n    dump_backtrace+0x94/0xec\n    show_stack+0x18/0x24\n    dump_stack_lvl+0x8c/0xcc\n    print_report+0x398/0x5fc\n    kasan_report+0xd4/0x114\n    __asan_report_load8_noabort+0x20/0x2c\n    __clk_register+0x1844/0x20d8\n    clk_hw_register+0x44/0x110\n    __clk_hw_register_mux+0x284/0x3a8\n    imx95_bc_probe+0x4f4/0xa70"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: clk: imx: Se corrige un acceso fuera de los l\u00edmites en dispmix_csr_clk_dev_data. Cuando num_parents es 4, __clk_register() genera un acceso fuera de los l\u00edmites al acceder al miembro parent_names. Use ARRAY_SIZE() en lugar de codificar el n\u00famero. BUG: KASAN: global-out-of-bounds in __clk_register+0x1844/0x20d8 Read of size 8 at addr ffff800086988e78 by task kworker/u24:3/59 Hardware name: NXP i.MX95 19X19 board (DT) Workqueue: events_unbound deferred_probe_work_func Call trace: dump_backtrace+0x94/0xec show_stack+0x18/0x24 dump_stack_lvl+0x8c/0xcc print_report+0x398/0x5fc kasan_report+0xd4/0x114 __asan_report_load8_noabort+0x20/0x2c __clk_register+0x1844/0x20d8 clk_hw_register+0x44/0x110 __clk_hw_register_mux+0x284/0x3a8 imx95_bc_probe+0x4f4/0xa70"
    }
  ],
  "id": "CVE-2025-38446",
  "lastModified": "2025-11-19T17:48:51.157",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2025-07-25T16:15:30.100",
  "references": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
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          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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