CVE-2021-47168
Vulnerability from cvelistv5
Published
2024-03-25 09:16
Modified
2024-11-04 12:00
Severity ?
EPSS score ?
Summary
NFS: fix an incorrect limit in filelayout_decode_layout()
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T05:24:39.927Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/9d280ab53df1d4a1043bd7a9e7c6a2f9cfbfe040"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/b287521e9e94bb342ebe5fd8c3fd7db9aef4e6f1"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/f299522eda1566cbfbae4b15c82970fc41b03714"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/945ebef997227ca8c20bad7f8a8358c8ee57a84a"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/e411df81cd862ef3d5b878120b2a2fef0ca9cdb1"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/9b367fe770b1b80d7bf64ed0d177544a44405f6e"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/d34fb628f6ef522f996205a9e578216bbee09e84"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/769b01ea68b6c49dc3cde6adf7e53927dacbd3a8"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-47168",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-10T15:54:34.857777Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-11T17:33:52.333Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/nfs/filelayout/filelayout.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "9d280ab53df1",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
},
{
"lessThan": "b287521e9e94",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
},
{
"lessThan": "f299522eda15",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
},
{
"lessThan": "945ebef99722",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
},
{
"lessThan": "e411df81cd86",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
},
{
"lessThan": "9b367fe770b1",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
},
{
"lessThan": "d34fb628f6ef",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
},
{
"lessThan": "769b01ea68b6",
"status": "affected",
"version": "16b374ca439f",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/nfs/filelayout/filelayout.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.37"
},
{
"lessThan": "2.6.37",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.4.*",
"status": "unaffected",
"version": "4.4.271",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"version": "4.9.271",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"version": "4.14.235",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.193",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.124",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.42",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"version": "5.12.9",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.13",
"versionType": "original_commit_for_fix"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: fix an incorrect limit in filelayout_decode_layout()\n\nThe \"sizeof(struct nfs_fh)\" is two bytes too large and could lead to\nmemory corruption. It should be NFS_MAXFHSIZE because that\u0027s the size\nof the -\u003edata[] buffer.\n\nI reversed the size of the arguments to put the variable on the left."
}
],
"providerMetadata": {
"dateUpdated": "2024-11-04T12:00:43.949Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/9d280ab53df1d4a1043bd7a9e7c6a2f9cfbfe040"
},
{
"url": "https://git.kernel.org/stable/c/b287521e9e94bb342ebe5fd8c3fd7db9aef4e6f1"
},
{
"url": "https://git.kernel.org/stable/c/f299522eda1566cbfbae4b15c82970fc41b03714"
},
{
"url": "https://git.kernel.org/stable/c/945ebef997227ca8c20bad7f8a8358c8ee57a84a"
},
{
"url": "https://git.kernel.org/stable/c/e411df81cd862ef3d5b878120b2a2fef0ca9cdb1"
},
{
"url": "https://git.kernel.org/stable/c/9b367fe770b1b80d7bf64ed0d177544a44405f6e"
},
{
"url": "https://git.kernel.org/stable/c/d34fb628f6ef522f996205a9e578216bbee09e84"
},
{
"url": "https://git.kernel.org/stable/c/769b01ea68b6c49dc3cde6adf7e53927dacbd3a8"
}
],
"title": "NFS: fix an incorrect limit in filelayout_decode_layout()",
"x_generator": {
"engine": "bippy-9e1c9544281a"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2021-47168",
"datePublished": "2024-03-25T09:16:20.778Z",
"dateReserved": "2024-03-25T09:12:14.111Z",
"dateUpdated": "2024-11-04T12:00:43.949Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-47168\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-25T10:15:08.773\",\"lastModified\":\"2024-03-25T13:47:14.087\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nNFS: fix an incorrect limit in filelayout_decode_layout()\\n\\nThe \\\"sizeof(struct nfs_fh)\\\" is two bytes too large and could lead to\\nmemory corruption. It should be NFS_MAXFHSIZE because that\u0027s the size\\nof the -\u003edata[] buffer.\\n\\nI reversed the size of the arguments to put the variable on the left.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: NFS: corrige un l\u00edmite incorrecto en filelayout_decode_layout() El \\\"sizeof(struct nfs_fh)\\\" es dos bytes demasiado grande y podr\u00eda provocar da\u00f1os en la memoria. Deber\u00eda ser NFS_MAXFHSIZE porque ese es el tama\u00f1o del b\u00fafer -\u0026gt;datos[]. Invert\u00ed el tama\u00f1o de los argumentos para poner la variable a la izquierda.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/769b01ea68b6c49dc3cde6adf7e53927dacbd3a8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/945ebef997227ca8c20bad7f8a8358c8ee57a84a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9b367fe770b1b80d7bf64ed0d177544a44405f6e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9d280ab53df1d4a1043bd7a9e7c6a2f9cfbfe040\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b287521e9e94bb342ebe5fd8c3fd7db9aef4e6f1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d34fb628f6ef522f996205a9e578216bbee09e84\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e411df81cd862ef3d5b878120b2a2fef0ca9cdb1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f299522eda1566cbfbae4b15c82970fc41b03714\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
Loading...
Loading...
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.