FKIE_CVE-2022-48672

Vulnerability from fkie_nvd - Published: 2024-05-03 15:15 - Updated: 2024-11-21 07:33
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: of: fdt: fix off-by-one error in unflatten_dt_nodes() Commit 78c44d910d3e ("drivers/of: Fix depth when unflattening devicetree") forgot to fix up the depth check in the loop body in unflatten_dt_nodes() which makes it possible to overflow the nps[] buffer... Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feafPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feafPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365cPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof: fdt: fix off-by-one error in unflatten_dt_nodes()\n\nCommit 78c44d910d3e (\"drivers/of: Fix depth when unflattening devicetree\")\nforgot to fix up the depth check in the loop body in unflatten_dt_nodes()\nwhich makes it possible to overflow the nps[] buffer...\n\nFound by Linux Verification Center (linuxtesting.org) with the SVACE static\nanalysis tool."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: de: fdt: corrige el error uno por uno en unflatten_dt_nodes() Commit 78c44d910d3e (\"drivers/of: corrige la profundidad al desacoplar el \u00e1rbol de dispositivos\") olvid\u00f3 arreglar la comprobaci\u00f3n de profundidad el cuerpo del bucle en unflatten_dt_nodes() que permite desbordar el b\u00fafer nps[]... Encontrado por el Centro de verificaci\u00f3n de Linux (linuxtesting.org) con la herramienta de an\u00e1lisis est\u00e1tico SVACE."
    }
  ],
  "id": "CVE-2022-48672",
  "lastModified": "2024-11-21T07:33:45.040",
  "metrics": {
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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  "published": "2024-05-03T15:15:07.480",
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  "vulnStatus": "Modified",
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.