CVE-2026-98783
En el kernel de Linux se ha resuelto la siguiente vulnerabilidad:
drm/mediatek: Añadir la comprobación IS_ERR que falta para el dispositivo de plataforma ovl_adaptor
platform_device_register_data() puede fallar y devolver un ERR_PTR, pero el valor devuelto se utiliza sin comprobarlo, lo que provoca que se almacene un puntero no válido en ddp_comp[].dev y que se pase a component_match_add() y mtk_ddp_comp_init(), lo que podría dar lugar a un fallo (crash) del kernel.
Añadir una comprobación IS_ERR() para saltar a la ruta de gestión de errores en caso de fallo.
Traducción automática del texto original de NVD (en inglés).
CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.17 %
- Percentil entre todas las CVEs puntuadas
- 6
- Fecha de la puntuación
- 20/10/2026
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).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
Mostrar las 4 referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-98783",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "0d9eee9118b77e51eeafc5bf4d008fac97035d56",
"lessThan": "4acac370aad2d4895a82f40b2f03e9ef70eecaa6",
"versionType": "git"
},
{
"status": "affected",
"version": "0d9eee9118b77e51eeafc5bf4d008fac97035d56",
"lessThan": "88f8a92dcb0cb154774595dee7226458de4cbd38",
"versionType": "git"
},
{
"status": "affected",
"version": "0d9eee9118b77e51eeafc5bf4d008fac97035d56",
"lessThan": "aeef8a8537bcfb26689edb36ed905b8b2873001c",
"versionType": "git"
},
{
"status": "affected",
"version": "0d9eee9118b77e51eeafc5bf4d008fac97035d56",
"lessThan": "bce7698e2e6565bb765bd0522337f29f5f312624",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/mediatek/mtk_drm_drv.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.4"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.4",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.113",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.56",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.10",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/gpu/drm/mediatek/mtk_drm_drv.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-10-18T16:17:32.267",
"references": [
{
"url": "https://git.kernel.org/stable/c/4acac370aad2d4895a82f40b2f03e9ef70eecaa6",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/88f8a92dcb0cb154774595dee7226458de4cbd38",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/aeef8a8537bcfb26689edb36ed905b8b2873001c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bce7698e2e6565bb765bd0522337f29f5f312624",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Add missing IS_ERR check for ovl_adaptor platform device\n\nplatform_device_register_data() can fail and return an ERR_PTR, but the\nreturn value is used without checking, leading to an invalid pointer\nbeing stored in ddp_comp[].dev and passed to component_match_add() and\nmtk_ddp_comp_init(), which could result in a kernel crash.\n\nAdd an IS_ERR() check to jump to the error handling path on failure."
}
],
"lastModified": "2026-10-19T10:19:42.403",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}