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vuln-cve/data/2022/49xxx/CVE-2022-49806.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2022-49806",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-05-01T14:05:17.225Z",
"datePublished": "2025-05-01T14:09:32.854Z",
"dateUpdated": "2026-05-11T19:07:09.079Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:07:09.079Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: microchip: sparx5: Fix potential null-ptr-deref in sparx_stats_init() and sparx5_start()\n\nsparx_stats_init() calls create_singlethread_workqueue() and not\nchecked the ret value, which may return NULL. And a null-ptr-deref may\nhappen:\n\nsparx_stats_init()\n create_singlethread_workqueue() # failed, sparx5->stats_queue is NULL\n queue_delayed_work()\n queue_delayed_work_on()\n __queue_delayed_work() # warning here, but continue\n __queue_work() # access wq->flags, null-ptr-deref\n\nCheck the ret value and return -ENOMEM if it is NULL. So as\nsparx5_start()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.c",
"drivers/net/ethernet/microchip/sparx5/sparx5_main.c"
],
"versions": [
{
"version": "b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2",
"lessThan": "80e590aeb132887102c3fa79d99b338f099dc952",
"status": "affected",
"versionType": "git"
},
{
"version": "b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2",
"lessThan": "456327e565dc49d18b2f595f39f47df8a36f1057",
"status": "affected",
"versionType": "git"
},
{
"version": "b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2",
"lessThan": "639f5d006e36bb303f525d9479448c412b720c39",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.c",
"drivers/net/ethernet/microchip/sparx5/sparx5_main.c"
],
"versions": [
{
"version": "5.14",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.14",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.80",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.0.10",
"lessThanOrEqual": "6.0.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.14",
"versionEndExcluding": "5.15.80"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.14",
"versionEndExcluding": "6.0.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.14",
"versionEndExcluding": "6.1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/80e590aeb132887102c3fa79d99b338f099dc952"
},
{
"url": "https://git.kernel.org/stable/c/456327e565dc49d18b2f595f39f47df8a36f1057"
},
{
"url": "https://git.kernel.org/stable/c/639f5d006e36bb303f525d9479448c412b720c39"
}
],
"title": "net: microchip: sparx5: Fix potential null-ptr-deref in sparx_stats_init() and sparx5_start()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}