FKIE_CVE-2022-49508
Vulnerability from fkie_nvd - Published: 2025-02-26 07:01 - Updated: 2026-06-17 05:18
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: elan: Fix potential double free in elan_input_configured
'input' is a managed resource allocated with devm_input_allocate_device(),
so there is no need to call input_free_device() explicitly or
there will be a double free.
According to the doc of devm_input_allocate_device():
* Managed input devices do not need to be explicitly unregistered or
* freed as it will be done automatically when owner device unbinds from
* its driver (or binding fails).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/hid/hid-elan.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "c92ec22a991778a096342cf1a917ae36c5c86a90",
"status": "affected",
"version": "9a6a4193d65b853020ef0e66cecdf9e64a863883",
"versionType": "git"
},
{
"lessThan": "f1d4f19a796551edc6679a681ea1756b8c578c08",
"status": "affected",
"version": "9a6a4193d65b853020ef0e66cecdf9e64a863883",
"versionType": "git"
},
{
"lessThan": "6d0726725c7c560495f5ff364862a2cefea542e3",
"status": "affected",
"version": "9a6a4193d65b853020ef0e66cecdf9e64a863883",
"versionType": "git"
},
{
"lessThan": "24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47",
"status": "affected",
"version": "9a6a4193d65b853020ef0e66cecdf9e64a863883",
"versionType": "git"
},
{
"lessThan": "5291451851feeb66fd4bf0826710f482f3b1ab38",
"status": "affected",
"version": "9a6a4193d65b853020ef0e66cecdf9e64a863883",
"versionType": "git"
},
{
"lessThan": "8bb1716507ebf12d50bbf181764481de3b6bc7fd",
"status": "affected",
"version": "9a6a4193d65b853020ef0e66cecdf9e64a863883",
"versionType": "git"
},
{
"lessThan": "1af20714fedad238362571620be0bd690ded05b6",
"status": "affected",
"version": "9a6a4193d65b853020ef0e66cecdf9e64a863883",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/hid/hid-elan.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.17"
},
{
"lessThan": "4.17",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.247",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.198",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.121",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.46",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.17.*",
"status": "unaffected",
"version": "5.17.14",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.18.*",
"status": "unaffected",
"version": "5.18.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
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"matchCriteriaId": "1D618A3C-AEC5-4520-BBDB-002AC8CA3FED",
"versionEndExcluding": "4.19.247",
"versionStartIncluding": "4.17",
"vulnerable": true
},
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: elan: Fix potential double free in elan_input_configured\n\n\u0027input\u0027 is a managed resource allocated with devm_input_allocate_device(),\nso there is no need to call input_free_device() explicitly or\nthere will be a double free.\n\nAccording to the doc of devm_input_allocate_device():\n * Managed input devices do not need to be explicitly unregistered or\n * freed as it will be done automatically when owner device unbinds from\n * its driver (or binding fails)."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: elan: Se corrige una posible doble liberaci\u00f3n en elan_input_configured \u0027input\u0027 es un recurso administrado asignado con devm_input_allocate_device(), por lo que no es necesario llamar a input_free_device() expl\u00edcitamente o habr\u00e1 una doble liberaci\u00f3n. Seg\u00fan la documentaci\u00f3n de devm_input_allocate_device(): * Los dispositivos de entrada administrados no necesitan ser desregistrados expl\u00edcitamente o * liberados ya que se har\u00e1 autom\u00e1ticamente cuando el dispositivo propietario se desvincule de * su controlador (o la vinculaci\u00f3n falle)."
}
],
"id": "CVE-2022-49508",
"lastModified": "2026-06-17T05:18:16.683",
"metrics": {
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"baseScore": 7.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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},
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"options": [
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},
{
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},
{
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}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-01T19:38:25.923559Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-02-26T07:01:26.923",
"references": [
{
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
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"value": "CWE-415"
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"source": "nvd@nist.gov",
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
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Nomenclature
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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