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vuln-cve/data/2021/47xxx/CVE-2021-47120.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2021-47120",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-03-04T18:12:48.838Z",
"datePublished": "2024-03-15T20:14:26.578Z",
"dateUpdated": "2026-05-11T13:48:26.150Z"
},
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"dateUpdated": "2026-05-11T13:48:26.150Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: fix NULL-deref on disconnect\n\nCommit 9d7b18668956 (\"HID: magicmouse: add support for Apple Magic\nTrackpad 2\") added a sanity check for an Apple trackpad but returned\nsuccess instead of -ENODEV when the check failed. This means that the\nremove callback will dereference the never-initialised driver data\npointer when the driver is later unbound (e.g. on USB disconnect)."
}
],
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/hid/hid-magicmouse.c"
],
"versions": [
{
"version": "9d7b18668956c411a422d04c712994c5fdb23a4b",
"lessThan": "368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6",
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"versionType": "git"
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]
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],
"versions": [
{
"version": "4.20",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.20",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.125",
"lessThanOrEqual": "5.4.*",
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},
{
"version": "5.10.43",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
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},
{
"version": "5.12.10",
"lessThanOrEqual": "5.12.*",
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},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
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"versionStartIncluding": "4.20",
"versionEndExcluding": "5.4.125"
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{
"vulnerable": true,
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"references": [
{
"url": "https://git.kernel.org/stable/c/368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6"
},
{
"url": "https://git.kernel.org/stable/c/b5d013c4c76b276890135b5d32803c4c63924b77"
},
{
"url": "https://git.kernel.org/stable/c/9cf27473f21913a3eaf4702dd2a25415afd5f33f"
},
{
"url": "https://git.kernel.org/stable/c/4b4f6cecca446abcb686c6e6c451d4f1ec1a7497"
}
],
"title": "HID: magicmouse: fix NULL-deref on disconnect",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"title": "CISA ADP Vulnrichment",
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2021-47120",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-03-19T15:24:16.763009Z"
}
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"dateUpdated": "2024-06-04T17:13:25.270Z"
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"shortName": "CVE",
"dateUpdated": "2024-08-04T05:24:39.876Z"
},
"title": "CVE Program Container",
"references": [
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"url": "https://git.kernel.org/stable/c/368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6",
"tags": [
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