CVE-2026-98819
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:
Bluetooth: btintel: validar las longitudes de los registros DDC
Analiza las longitudes de los registros DDC en almacenamiento sin signo para que 0xFF no provoque un desbordamiento. Rechaza los registros más pequeños que la cabecera obligatoria de tres bytes, los registros que superen U8_MAX y los registros que superen los bytes restantes del firmware antes de emitir Intel_Write_DDC.
Este problema fue notificado por Claude Mythos.
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
- 0.18 %
- Percentil entre todas las CVEs puntuadas
- 7
- 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-2026-98819",
"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": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "069031f569f1681f17e863f48c221a6091b47850",
"versionType": "git"
},
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "b0fce76873a5e6a6820354409b26693ac5f8b251",
"versionType": "git"
},
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "f3617369fbb30a4d2e54841ab8e92ca4fa211e56",
"versionType": "git"
},
{
"status": "affected",
"version": "145f2368c5fd7962e37315ccc092670743019d08",
"lessThan": "c9c15d4d8956df8c564f7c210e4dc5b9b820d97a",
"versionType": "git"
}
],
"programFiles": [
"drivers/bluetooth/btintel.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.4"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.4",
"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/bluetooth/btintel.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-10-18T16:17:36.143",
"references": [
{
"url": "https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate DDC record lengths\n\nParse DDC record lengths in unsigned storage so 0xFF does not wrap.\nReject records smaller than the mandatory three-byte header, records\nexceeding U8_MAX, and records exceeding remaining firmware bytes before\nissuing Intel_Write_DDC.\n\nThis issue was reported by Claude Mythos."
}
],
"lastModified": "2026-10-19T10:19:45.990",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}