CVE-2025-38635 (GCVE-0-2025-38635)
Vulnerability from cvelistv5
Published
2025-08-22 16:00
Modified
2025-08-28 14:44
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: davinci: Add NULL check in davinci_lpsc_clk_register() devm_kasprintf() returns NULL when memory allocation fails. Currently, davinci_lpsc_clk_register() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue and ensuring no resources are left allocated.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/105e8115944a9f93e9412abe7bb07ed96725adf9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/13de464f445d42738fe18c9a28bab056ba3a290a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1d92608a29251278015f57f3572bc950db7519f0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/23f564326deaafacfd7adf6104755b15216d8320
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2adc945b70c4d97e9491a6c0c9f3b217a9eecfba
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6fb19cdcf040e1dec052a9032acb66cc2ad1d43f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/77e9ad7a2d0e2a771c9e0be04b9d1639413b5f13
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7843412e5927dafbb844782c56b6380564064109
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7943ed1f05f5cb7372dca2aa227f848747a98791
Impacted products
Vendor Product Version
Linux Linux Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
Version: c6ed4d734bc7f731709dab0ffd69eed499dd5277
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   Linux Linux Version: 4.17
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/clk/davinci/psc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            },
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              "versionType": "git"
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            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/clk/davinci/psc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.17"
            },
            {
              "lessThan": "4.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.297",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.241",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.190",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.102",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.297",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.241",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                },
                {
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                  "vulnerable": true
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                {
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                {
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.10",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.1",
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                },
                {
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                  "versionEndExcluding": "6.17-rc1",
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: davinci: Add NULL check in davinci_lpsc_clk_register()\n\ndevm_kasprintf() returns NULL when memory allocation fails. Currently,\ndavinci_lpsc_clk_register() does not check for this case, which results\nin a NULL pointer dereference.\n\nAdd NULL check after devm_kasprintf() to prevent this issue and ensuring\nno resources are left allocated."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-28T14:44:23.395Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/77e9ad7a2d0e2a771c9e0be04b9d1639413b5f13"
        },
        {
          "url": "https://git.kernel.org/stable/c/7843412e5927dafbb844782c56b6380564064109"
        },
        {
          "url": "https://git.kernel.org/stable/c/2adc945b70c4d97e9491a6c0c9f3b217a9eecfba"
        },
        {
          "url": "https://git.kernel.org/stable/c/105e8115944a9f93e9412abe7bb07ed96725adf9"
        },
        {
          "url": "https://git.kernel.org/stable/c/1d92608a29251278015f57f3572bc950db7519f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/7943ed1f05f5cb7372dca2aa227f848747a98791"
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        {
          "url": "https://git.kernel.org/stable/c/6fb19cdcf040e1dec052a9032acb66cc2ad1d43f"
        },
        {
          "url": "https://git.kernel.org/stable/c/23f564326deaafacfd7adf6104755b15216d8320"
        },
        {
          "url": "https://git.kernel.org/stable/c/13de464f445d42738fe18c9a28bab056ba3a290a"
        }
      ],
      "title": "clk: davinci: Add NULL check in davinci_lpsc_clk_register()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38635",
    "datePublished": "2025-08-22T16:00:43.181Z",
    "dateReserved": "2025-04-16T04:51:24.030Z",
    "dateUpdated": "2025-08-28T14:44:23.395Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38635\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-08-22T16:15:37.450\",\"lastModified\":\"2025-08-28T15:15:56.843\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nclk: davinci: Add NULL check in davinci_lpsc_clk_register()\\n\\ndevm_kasprintf() returns NULL when memory allocation fails. Currently,\\ndavinci_lpsc_clk_register() does not check for this case, which results\\nin a NULL pointer dereference.\\n\\nAdd NULL check after devm_kasprintf() to prevent this issue and ensuring\\nno resources are left allocated.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: clk: davinci: A\u00f1adir comprobaci\u00f3n de NULL en davinci_lpsc_clk_register(). Devm_kasprintf() devuelve NULL cuando falla la asignaci\u00f3n de memoria. Actualmente, davinci_lpsc_clk_register() no comprueba este caso, lo que resulta en una desreferencia de puntero NULL. A\u00f1adir comprobaci\u00f3n de NULL despu\u00e9s de devm_kasprintf() para evitar este problema y garantizar que no queden recursos asignados.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/105e8115944a9f93e9412abe7bb07ed96725adf9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/13de464f445d42738fe18c9a28bab056ba3a290a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1d92608a29251278015f57f3572bc950db7519f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/23f564326deaafacfd7adf6104755b15216d8320\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2adc945b70c4d97e9491a6c0c9f3b217a9eecfba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6fb19cdcf040e1dec052a9032acb66cc2ad1d43f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/77e9ad7a2d0e2a771c9e0be04b9d1639413b5f13\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7843412e5927dafbb844782c56b6380564064109\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7943ed1f05f5cb7372dca2aa227f848747a98791\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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