CVE-2022-50032
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
usb: renesas: Fix refcount leak bug
In usbhs_rza1_hardware_init(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.19%
- Percentil entre todas las CVEs puntuadas: 8
- 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).
Tecnologías afectadas (1)
CWE
- NVD-CWE-Other
Referencias
- https://git.kernel.org/stable/c/36b18b777dece704b7c2e9e7947ca41a9b0fb009
- https://git.kernel.org/stable/c/5c4b699193eba51f1bbf462d758d66f545fddd35
- https://git.kernel.org/stable/c/9790a5a4f07f38a5add85ec58c44797d3a7c3677
- https://git.kernel.org/stable/c/9d6d5303c39b8bc182475b22f45504106a07f086
- https://git.kernel.org/stable/c/cfa8f707a58d68b2341a9dd0b33cf048f0628b4d
- https://git.kernel.org/stable/c/fbdbd61a36d887e00114321c6758e359e9573a8e
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-50032",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"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": "aec2927b5944df70bca4bdeea6c4e7c3195dc37a",
"lessThan": "36b18b777dece704b7c2e9e7947ca41a9b0fb009",
"versionType": "git"
},
{
"status": "affected",
"version": "aec2927b5944df70bca4bdeea6c4e7c3195dc37a",
"lessThan": "cfa8f707a58d68b2341a9dd0b33cf048f0628b4d",
"versionType": "git"
},
{
"status": "affected",
"version": "aec2927b5944df70bca4bdeea6c4e7c3195dc37a",
"lessThan": "9790a5a4f07f38a5add85ec58c44797d3a7c3677",
"versionType": "git"
},
{
"status": "affected",
"version": "aec2927b5944df70bca4bdeea6c4e7c3195dc37a",
"lessThan": "fbdbd61a36d887e00114321c6758e359e9573a8e",
"versionType": "git"
},
{
"status": "affected",
"version": "aec2927b5944df70bca4bdeea6c4e7c3195dc37a",
"lessThan": "5c4b699193eba51f1bbf462d758d66f545fddd35",
"versionType": "git"
},
{
"status": "affected",
"version": "aec2927b5944df70bca4bdeea6c4e7c3195dc37a",
"lessThan": "9d6d5303c39b8bc182475b22f45504106a07f086",
"versionType": "git"
}
],
"programFiles": [
"drivers/usb/renesas_usbhs/rza.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.16"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.16",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.19.256",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.211",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.138",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.63",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "5.19.4",
"versionType": "semver",
"lessThanOrEqual": "5.19.*"
},
{
"status": "unaffected",
"version": "6.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/usb/renesas_usbhs/rza.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-06-18T11:15:31.557",
"references": [
{
"url": "https://git.kernel.org/stable/c/36b18b777dece704b7c2e9e7947ca41a9b0fb009",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5c4b699193eba51f1bbf462d758d66f545fddd35",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9790a5a4f07f38a5add85ec58c44797d3a7c3677",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9d6d5303c39b8bc182475b22f45504106a07f086",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/cfa8f707a58d68b2341a9dd0b33cf048f0628b4d",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/fbdbd61a36d887e00114321c6758e359e9573a8e",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: renesas: Fix refcount leak bug\n\nIn usbhs_rza1_hardware_init(), of_find_node_by_name() will return\na node pointer with refcount incremented. We should use of_node_put()\nwhen it is not used anymore."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: renesas: Se corrige el error de fuga de refcount. En usbhs_rza1_hardware_init(), of_find_node_by_name() devolverá un puntero de nodo con refcount incrementado. Deberíamos usar of_node_put() cuando ya no se use."
}
],
"lastModified": "2026-06-17T05:22:36.093",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "76AF2159-1A11-4093-9C89-8B9B9F8DF86A",
"versionEndExcluding": "4.19.256"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B1C63D19-C08C-4308-A848-B2523C9275BD",
"versionEndExcluding": "5.4.211",
"versionStartIncluding": "4.20"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "445ACC04-A2BA-4176-B4C9-CA4AA59096D2",
"versionEndExcluding": "5.10.138",
"versionStartIncluding": "5.5"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D5744A03-DA40-4A78-9063-13179361DC6D",
"versionEndExcluding": "5.15.63",
"versionStartIncluding": "5.11"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0E669300-DA42-4ACD-86D8-68BE5F29FB88",
"versionEndExcluding": "5.19.4",
"versionStartIncluding": "5.16"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}