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->current_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->current_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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