ghsa-w69w-gv35-vqjh
Vulnerability from github
Published
2024-06-19 15:30
Modified
2024-11-07 18:31
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference

In cdns_mhdp_atomic_enable(), the return value of drm_mode_duplicate() is assigned to mhdp_state->current_mode, and there is a dereference of it in drm_mode_set_name(), which will lead to a NULL pointer dereference on failure of drm_mode_duplicate().

Fix this bug add a check of mhdp_state->current_mode.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-38548"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-19T14:15:15Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: cdns-mhdp8546: Fix possible null pointer dereference\n\nIn cdns_mhdp_atomic_enable(), the return value of drm_mode_duplicate() is\nassigned to mhdp_state-\u003ecurrent_mode, and there is a dereference of it in\ndrm_mode_set_name(), which will lead to a NULL pointer dereference on\nfailure of drm_mode_duplicate().\n\nFix this bug add a check of mhdp_state-\u003ecurrent_mode.",
  "id": "GHSA-w69w-gv35-vqjh",
  "modified": "2024-11-07T18:31:21Z",
  "published": "2024-06-19T15:30:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38548"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/32fb2ef124c3301656ac6c789a2ef35ef69a66da"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/47889711da20be9b43e1e136e5cb68df37cbcc79"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/85d1a27402f81f2e04b0e67d20f749c2a14edbb3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/89788cd9824c28ffcdea40232c458233353d1896"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/935a92a1c400285545198ca2800a4c6c519c650a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca53b7efd4ba6ae92fd2b3085cb099c745e96965"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dcf53e6103b26e7458be71491d0641f49fbd5840"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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