fkie_cve-2024-53045
Vulnerability from fkie_nvd
Published
2024-11-19 18:15
Modified
2025-10-01 21:16
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2ef9439f7a19fd3d43b288d38b1c6e55b668a4fePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c549cb66e8de0ba1936fc97a59f0156741d3492aPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12


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      "value": "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."
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      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: dapm: correcci\u00f3n de error del verificador de los l\u00edmites en dapm_widget_list_create La matriz de widgets en snd_soc_dapm_widget_list tiene un atributo __counted_by adjunto, que apunta a la variable num_widgets. Este atributo se utiliza en la comprobaci\u00f3n de los l\u00edmites y, si no se configura antes de que se llene la matriz, el sanitizador de los l\u00edmites emitir\u00e1 una advertencia o un p\u00e1nico del kernel si se configura CONFIG_UBSAN_TRAP. Este parche establece el tama\u00f1o de la lista de widgets calculada con list_for_each como el valor inicial para num_widgets, ya que se utiliza para asignar memoria para la matriz. Se actualiza con el n\u00famero real de elementos agregados despu\u00e9s de que se llena la matriz."
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  "id": "CVE-2024-53045",
  "lastModified": "2025-10-01T21:16:21.230",
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