cvelist/2020/11xxx/CVE-2020-11935.json
2023-04-07 01:35:18 +00:00

111 lines
3.9 KiB
JSON

{
"CVE_data_meta": {
"ASSIGNER": "security@ubuntu.com",
"ID": "CVE-2020-11935",
"STATE": "PUBLIC",
"TITLE": "aufs: improperly managed inode reference counts in the vfsub_dentry_open() method"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Linux kernel (aufs filesystem module)",
"version": {
"version_data": [
{
"version_affected": "!>=",
"version_name": "4.4",
"version_value": "4.4.0-186.216"
},
{
"version_affected": "!>=",
"version_name": "4.15",
"version_value": "4.15.0-112.113"
},
{
"version_affected": "!>=",
"version_name": "5.4",
"version_value": "5.4.0-42.46"
}
]
}
}
]
},
"vendor_name": "Ubuntu"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Mauricio Faria de Oliveira discovered that the aufs implementation in the Linux kernel improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-911 Improper Update of Reference Count"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "Ubuntu Security CVE-2020-11935",
"refsource": "UBUNTU",
"url": "https://ubuntu.com/security/CVE-2020-11935"
},
{
"name": "Launchpad Bug 1873074",
"refsource": "UBUNTU",
"url": "https://bugs.launchpad.net/bugs/1873074"
}
]
},
"source": {
"defect": [
"LP#1873074"
],
"discovery": "USER"
}
}