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vuln-cve/data/2021/47xxx/CVE-2021-47164.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2021-47164",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-03-25T09:12:14.109Z",
"datePublished": "2024-03-25T09:16:17.592Z",
"dateUpdated": "2026-05-11T13:49:12.867Z"
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},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix null deref accessing lag dev\n\nIt could be the lag dev is null so stop processing the event.\nIn bond_enslave() the active/backup slave being set before setting the\nupper dev so first event is without an upper dev.\nAfter setting the upper dev with bond_master_upper_dev_link() there is\na second event and in that event we have an upper dev."
}
],
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/en/rep/bond.c"
],
"versions": [
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"version": "7e51891a237f9ea319f53f9beb83afb0077d88e6",
"lessThan": "2e4b0b95a489259f9d35a3db17023061f8f3d587",
"status": "affected",
"versionType": "git"
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"status": "affected",
"versionType": "git"
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
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],
"versions": [
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"status": "affected"
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{
"version": "0",
"lessThan": "5.8",
"status": "unaffected",
"versionType": "semver"
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{
"version": "5.10.42",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.12.9",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
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]
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],
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"nodes": [
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"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "5.10.42"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.12.9"
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{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.13"
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"references": [
{
"url": "https://git.kernel.org/stable/c/2e4b0b95a489259f9d35a3db17023061f8f3d587"
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{
"url": "https://git.kernel.org/stable/c/bdfd3593a8248eea6ecfcbf7b47b56b86515672d"
},
{
"url": "https://git.kernel.org/stable/c/83026d83186bc48bb41ee4872f339b83f31dfc55"
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],
"title": "net/mlx5e: Fix null deref accessing lag dev",
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"adp": [
{
"title": "CISA ADP Vulnrichment",
"metrics": [
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"other": {
"type": "ssvc",
"content": {
"id": "CVE-2021-47164",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
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{
"Automatable": "no"
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{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-03-28T18:24:43.257372Z"
}
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"providerMetadata": {
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"dateUpdated": "2024-06-04T17:14:45.571Z"
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"shortName": "CVE",
"dateUpdated": "2024-08-04T05:24:40.229Z"
},
"title": "CVE Program Container",
"references": [
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