FKIE_CVE-2023-52469
Vulnerability from fkie_nvd - Published: 2024-02-26 16:27 - Updated: 2024-11-21 08:39
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
drivers/amd/pm: fix a use-after-free in kv_parse_power_table
When ps allocated by kzalloc equals to NULL, kv_parse_power_table
frees adev->pm.dpm.ps that allocated before. However, after the control
flow goes through the following call chains:
kv_parse_power_table
|-> kv_dpm_init
|-> kv_dpm_sw_init
|-> kv_dpm_fini
The adev->pm.dpm.ps is used in the for loop of kv_dpm_fini after its
first free in kv_parse_power_table and causes a use-after-free bug.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/amd/pm: fix a use-after-free in kv_parse_power_table\n\nWhen ps allocated by kzalloc equals to NULL, kv_parse_power_table\nfrees adev-\u003epm.dpm.ps that allocated before. However, after the control\nflow goes through the following call chains:\n\nkv_parse_power_table\n |-\u003e kv_dpm_init\n |-\u003e kv_dpm_sw_init\n\t |-\u003e kv_dpm_fini\n\nThe adev-\u003epm.dpm.ps is used in the for loop of kv_dpm_fini after its\nfirst free in kv_parse_power_table and causes a use-after-free bug."
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers/amd/pm: corrige un use-after-free en kv_parse_power_table Cuando ps asignado por kzalloc es igual a NULL, kv_parse_power_table libera adev-\u0026gt;pm.dpm.ps que se asign\u00f3 antes. Sin embargo, despu\u00e9s de que el flujo de control pasa por las siguientes cadenas de llamadas: kv_parse_power_table |-\u0026gt; kv_dpm_init |-\u0026gt; kv_dpm_sw_init |-\u0026gt; kv_dpm_fini El adev-\u0026gt;pm.dpm.ps se usa en el bucle for de kv_dpm_fini despu\u00e9s de su primera liberaci\u00f3n en kv_parse_power_table y provoca un error de use-after-free."
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"id": "CVE-2023-52469",
"lastModified": "2024-11-21T08:39:50.497",
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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