ubuntu-cve-2011-4131
Vulnerability from osv_ubuntu
Published
2012-05-17 00:00
Modified
2025-07-16 04:50
Summary
Details
The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words.
Severity
N/A (UNKNOWN)
References
{
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{
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{
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{
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{
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{
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{
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"package": {
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"name": "linux",
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},
"ranges": [
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{
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{
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],
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"versions": []
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{
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"binaries": [
{
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},
"package": {
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},
"package": {
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{
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"versions": []
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{
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"availability": "No subscription required",
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},
{
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{
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{
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{
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},
"package": {
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"name": "linux-manta",
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"ranges": [
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],
"versions": []
}
],
"aliases": [],
"details": "The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words.",
"id": "UBUNTU-CVE-2011-4131",
"modified": "2025-07-16T04:50:02Z",
"published": "2012-05-17T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2011-4131"
},
{
"type": "REPORT",
"url": "http://www.openwall.com/lists/oss-security/2011/11/13/3"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-1457-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-1470-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-1471-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-1472-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-1476-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-1530-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2011-4131"
}
],
"related": [
"USN-1457-1",
"USN-1470-1",
"USN-1471-1",
"USN-1472-1",
"USN-1476-1",
"USN-1530-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2011-4131"
],
"withdrawn": "2025-07-18T16:42:44Z"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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