ghsa-xrg9-2q4w-gf5c
Vulnerability from github
Published
2024-11-19 18:31
Modified
2024-11-27 18:34
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:

ASoC: dapm: fix bounds checker error in dapm_widget_list_create

The widgets array in the snd_soc_dapm_widget_list has a __counted_by attribute attached to it, which points to the num_widgets variable. This attribute is used in bounds checking, and if it is not set before the array is filled, then the bounds sanitizer will issue a warning or a kernel panic if CONFIG_UBSAN_TRAP is set.

This patch sets the size of the widgets list calculated with list_for_each as the initial value for num_widgets as it is used for allocating memory for the array. It is updated with the actual number of added elements after the array is filled.

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{
   affected: [],
   aliases: [
      "CVE-2024-53045",
   ],
   database_specific: {
      cwe_ids: [],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-11-19T18:15:24Z",
      severity: "MODERATE",
   },
   details: "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: dapm: fix bounds checker error in dapm_widget_list_create\n\nThe widgets array in the snd_soc_dapm_widget_list has a __counted_by\nattribute attached to it, which points to the num_widgets variable. This\nattribute is used in bounds checking, and if it is not set before the\narray is filled, then the bounds sanitizer will issue a warning or a\nkernel panic if CONFIG_UBSAN_TRAP is set.\n\nThis patch sets the size of the widgets list calculated with\nlist_for_each as the initial value for num_widgets as it is used for\nallocating memory for the array. It is updated with the actual number of\nadded elements after the array is filled.",
   id: "GHSA-xrg9-2q4w-gf5c",
   modified: "2024-11-27T18:34:01Z",
   published: "2024-11-19T18:31:06Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-53045",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/2ef9439f7a19fd3d43b288d38b1c6e55b668a4fe",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/c549cb66e8de0ba1936fc97a59f0156741d3492a",
      },
   ],
   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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