ghsa-294m-6544-vprq
Vulnerability from github
Published
2024-05-03 15:30
Modified
2024-06-03 18:53
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2022-48672"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-193"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-03T15:15:07Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-294m-6544-vprq",
  "modified": "2024-06-03T18:53:45Z",
  "published": "2024-05-03T15:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-48672"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feaf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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