CVE-2025-38662

Estado: ModificadaAlta (7.8)—

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

ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv

Given mt8365_dai_set_priv allocate priv_size space to copy priv_data which means we should pass mt8365_i2s_priv[i] or "struct mtk_afe_i2s_priv" instead of afe_priv which has the size of "struct mt8365_afe_private".

Otherwise the KASAN complains about.

Detalles técnicos trazas, registros y código del informe original

[   59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
...
[   59.394789] Call trace:
[   59.395167]  dump_backtrace+0xa0/0x128
[   59.395733]  show_stack+0x20/0x38
[   59.396238]  dump_stack_lvl+0xe8/0x148
[   59.396806]  print_report+0x37c/0x5e0
[   59.397358]  kasan_report+0xac/0xf8
[   59.397885]  kasan_check_range+0xe8/0x190
[   59.398485]  asan_memcpy+0x3c/0x98
[   59.399022]  mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
[   59.399928]  mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm]
[   59.400893]  mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm]
[   59.401873]  platform_probe+0xcc/0x228
[   59.402442]  really_probe+0x340/0x9e8
[   59.402992]  driver_probe_device+0x16c/0x3f8
[   59.403638]  driver_probe_device+0x64/0x1d8
[   59.404256]  driver_attach+0x1dc/0x4c8
[   59.404840]  bus_for_each_dev+0x100/0x190
[   59.405442]  driver_attach+0x44/0x68
[   59.405980]  bus_add_driver+0x23c/0x500
[   59.406550]  driver_register+0xf8/0x3d0
[   59.407122]  platform_driver_register+0x68/0x98
[   59.407810]  mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.17%
Percentil entre todas las CVEs puntuadas: 5
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation75 %
Impacto principalT1059 Command and Scripting Interpreterexecution60 %

Buffer overflow (CWE-787) en kernel con acceso local (AV:L, PR:L) sin interacción. Impacto: ejecución de código arbitrario mediante corrupción de memoria.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Execution Prevention Threat Intelligence Program Restrict Web-Based Content Privileged Account Management Limit Software Installation Behavior Prevention on Endpoint

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

CWE-787

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-38662",
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        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv\n\nGiven mt8365_dai_set_priv allocate priv_size space to copy priv_data which\nmeans we should pass mt8365_i2s_priv[i] or \"struct mtk_afe_i2s_priv\"\ninstead of afe_priv which has the size of \"struct mt8365_afe_private\".\n\nOtherwise the KASAN complains about.\n\n[   59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]\n...\n[   59.394789] Call trace:\n[   59.395167]  dump_backtrace+0xa0/0x128\n[   59.395733]  show_stack+0x20/0x38\n[   59.396238]  dump_stack_lvl+0xe8/0x148\n[   59.396806]  print_report+0x37c/0x5e0\n[   59.397358]  kasan_report+0xac/0xf8\n[   59.397885]  kasan_check_range+0xe8/0x190\n[   59.398485]  asan_memcpy+0x3c/0x98\n[   59.399022]  mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]\n[   59.399928]  mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm]\n[   59.400893]  mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm]\n[   59.401873]  platform_probe+0xcc/0x228\n[   59.402442]  really_probe+0x340/0x9e8\n[   59.402992]  driver_probe_device+0x16c/0x3f8\n[   59.403638]  driver_probe_device+0x64/0x1d8\n[   59.404256]  driver_attach+0x1dc/0x4c8\n[   59.404840]  bus_for_each_dev+0x100/0x190\n[   59.405442]  driver_attach+0x44/0x68\n[   59.405980]  bus_add_driver+0x23c/0x500\n[   59.406550]  driver_register+0xf8/0x3d0\n[   59.407122]  platform_driver_register+0x68/0x98\n[   59.407810]  mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: mediatek: mt8365-dai-i2s: pasar el tamaño correcto a mt8365_dai_set_priv. Dado mt8365_dai_set_priv, se asigna espacio priv_size para copiar priv_data, lo que significa que debemos pasar mt8365_i2s_priv[i] o \"struct mtk_afe_i2s_priv\" en lugar de afe_priv, cuyo tamaño es \"struct mt8365_afe_private\". De lo contrario, la queja de KASAN. [ 59.389765] ERROR: KASAN: global fuera de los límites en mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm] ... [ 59.394789] Rastreo de llamadas: [ 59.395167] dump_backtrace+0xa0/0x128 [ 59.395733] show_stack+0x20/0x38 [ 59.396238] dump_stack_lvl+0xe8/0x148 [ 59.396806] print_report+0x37c/0x5e0 [ 59.397358] kasan_report+0xac/0xf8 [ 59.397885] kasan_check_range+0xe8/0x190 [59.398485] asan_memcpy+0x3c/0x98 [59.399022] mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm] [59.399928] mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm] [59.400893] mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm] [59.401873] platform_probe+0xcc/0x228 [ 59.402442] really_probe+0x340/0x9e8 [ 59.402992] driver_probe_device+0x16c/0x3f8 [ 59.403638] driver_probe_device+0x64/0x1d8 [ 59.404256] driver_attach+0x1dc/0x4c8 [ 59.404840] bus_for_each_dev+0x100/0x190 [ 59.405442] driver_attach+0x44/0x68 [ 59.405980] bus_add_driver+0x23c/0x500 [ 59.406550] driver_register+0xf8/0x3d0 [ 59.407122] registro_del_controlador_de_plataforma+0x68/0x98 [59.407810] inicio_del_controlador_del_pcm_mt8365_afe+0x2c/0xff8 [snd_soc_mt8365_pcm]"
    }
  ],
  "lastModified": "2026-07-30T06:23:33.913",
  "configurations": [
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