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{
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hso: fix NULL-deref on disconnect regression\n\nCommit 8a12f8836145 (\"net: hso: fix null-ptr-deref during tty device\nunregistration\") fixed the racy minor allocation reported by syzbot, but\nintroduced an unconditional NULL-pointer dereference on every disconnect\ninstead.\n\nSpecifically, the serial device table must no longer be accessed after\nthe minor has been released by hso_serial_tty_unregister()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "92028d7a31e5",
"lessThan": "5c17cfe155d2",
"status": "affected",
"versionType": "git"
},
{
"version": "4a2933c88399",
"lessThan": "d7fad2ce15bd",
"status": "affected",
"versionType": "git"
},
{
"version": "dc195928d7e4",
"lessThan": "90642ee9eb58",
"status": "affected",
"versionType": "git"
},
{
"version": "388d05f70f1e",
"lessThan": "0f000005da31",
"status": "affected",
"versionType": "git"
},
{
"version": "8a12f8836145",
"lessThan": "41c44e1f3112",
"status": "affected",
"versionType": "git"
},
{
"version": "8a12f8836145",
"lessThan": "2ad5692db728",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "5.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.12",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.189",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.115",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.33",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.11.17",
"lessThanOrEqual": "5.11.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.12.1",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/5871761c5f0f20d6e98bf3b6bd7486d857589554"
},
{
"url": "https://git.kernel.org/stable/c/0c71d4c89559f72cec2592d078681a843bce570e"
},
{
"url": "https://git.kernel.org/stable/c/24b699bea7553fc0b98dad9d864befb6005ac7f1"
},
{
"url": "https://git.kernel.org/stable/c/5c17cfe155d21954b4c7e2a78fa771cebcd86725"
},
{
"url": "https://git.kernel.org/stable/c/d7fad2ce15bdbbd0fec3ebe999fd7cab2267f53e"
},
{
"url": "https://git.kernel.org/stable/c/90642ee9eb581a13569b1c0bd57e85d962215273"
},
{
"url": "https://git.kernel.org/stable/c/0f000005da31f6947f843ce6b3e3a960540c6e00"
},
{
"url": "https://git.kernel.org/stable/c/41c44e1f3112d7265dae522c026399b2a42d19ef"
},
{
"url": "https://git.kernel.org/stable/c/2ad5692db72874f02b9ad551d26345437ea4f7f3"
}
],
"title": "net: hso: fix NULL-deref on disconnect regression",
"x_generator": {
"engine": "bippy-7f0d2821bfb2"
}
}
},
"cveMetadata": {
"assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
"cveID": "CVE-2021-46905",
"requesterUserId": "gregkh@kernel.org",
"serial": "1",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.0"
}
|
