CVE-2025-38446 (GCVE-0-2025-38446)
Vulnerability from cvelistv5
Published
2025-07-25 15:27
Modified
2025-07-28 04:22
Severity ?
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
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a956daad67cec454ee985e103e167711fab5b9b8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aacc875a448d363332b9df0621dde6d3a225ea9f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fcee75daecc5234ee3482d8cf3518bf021d8a0a5
Impacted products
Vendor Product Version
Linux Linux Version: 5224b189462ff70df328f173b71acfd925092c3c
Version: 5224b189462ff70df328f173b71acfd925092c3c
Version: 5224b189462ff70df328f173b71acfd925092c3c
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   Linux Linux Version: 6.10
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/clk/imx/clk-imx95-blk-ctl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "fcee75daecc5234ee3482d8cf3518bf021d8a0a5",
              "status": "affected",
              "version": "5224b189462ff70df328f173b71acfd925092c3c",
              "versionType": "git"
            },
            {
              "lessThan": "a956daad67cec454ee985e103e167711fab5b9b8",
              "status": "affected",
              "version": "5224b189462ff70df328f173b71acfd925092c3c",
              "versionType": "git"
            },
            {
              "lessThan": "aacc875a448d363332b9df0621dde6d3a225ea9f",
              "status": "affected",
              "version": "5224b189462ff70df328f173b71acfd925092c3c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/clk/imx/clk-imx95-blk-ctl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.39",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.7",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:22:30.477Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fcee75daecc5234ee3482d8cf3518bf021d8a0a5"
        },
        {
          "url": "https://git.kernel.org/stable/c/a956daad67cec454ee985e103e167711fab5b9b8"
        },
        {
          "url": "https://git.kernel.org/stable/c/aacc875a448d363332b9df0621dde6d3a225ea9f"
        }
      ],
      "title": "clk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38446",
    "datePublished": "2025-07-25T15:27:28.699Z",
    "dateReserved": "2025-04-16T04:51:24.017Z",
    "dateUpdated": "2025-07-28T04:22:30.477Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38446\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-25T16:15:30.100\",\"lastModified\":\"2025-07-29T14:14:55.157\",\"vulnStatus\":\"Awaiting Analysis\",\"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\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/a956daad67cec454ee985e103e167711fab5b9b8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aacc875a448d363332b9df0621dde6d3a225ea9f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fcee75daecc5234ee3482d8cf3518bf021d8a0a5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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