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vuln-ubuntu/data/osv/usn/USN-5050-1.json
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{
"schema_version": "1.7.0",
"id": "USN-5050-1",
"summary": "linux-aws-5.8, linux-azure-5.8, linux-gcp-5.8, linux-oracle-5.8 vulnerabilities",
"details": "It was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly perform access control. An authenticated attacker could possibly\nuse this to expose sensitive information. (CVE-2020-26558, CVE-2021-0129)\n\nMichael Brown discovered that the Xen netback driver in the Linux kernel\ndid not properly handle malformed packets from a network PV frontend,\nleading to a use-after-free vulnerability. An attacker in a guest VM could\nuse this to cause a denial of service or possibly execute arbitrary code.\n(CVE-2021-28691)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle HCI device initialization failure, leading to a double-free\nvulnerability. An attacker could use this to cause a denial of service or\npossibly execute arbitrary code. (CVE-2021-3564)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle HCI device detach events, leading to a use-after-free\nvulnerability. An attacker could use this to cause a denial of service or\npossibly execute arbitrary code. (CVE-2021-3573)\n\nIt was discovered that the NFC implementation in the Linux kernel did not\nproperly handle failed connect events leading to a NULL pointer\ndereference. A local attacker could use this to cause a denial of service.\n(CVE-2021-38208)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2020-26558",
"UBUNTU-CVE-2021-0129",
"UBUNTU-CVE-2021-3564",
"UBUNTU-CVE-2021-3573",
"UBUNTU-CVE-2021-28691",
"UBUNTU-CVE-2021-38208"
],
"related": [],
"published": "2021-08-24T06:29:56Z",
"modified": "2026-06-03T10:45:26Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "linux-aws-5.8",
"purl": "pkg:deb/ubuntu/linux-aws-5.8@5.8.0-1042.44~20.04.1?arch=source&distro=focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.0-1042.44~20.04.1"
}
]
}
],
"versions": [
"5.8.0-1035.37~20.04.1",
"5.8.0-1038.40~20.04.1",
"5.8.0-1041.43~20.04.1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-aws-5.8-cloud-tools-5.8.0-1042",
"binary_version": "5.8.0-1042.44~20.04.1"
},
{
"binary_name": "linux-aws-5.8-headers-5.8.0-1042",
"binary_version": "5.8.0-1042.44~20.04.1"
},
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},
{
"binary_name": "linux-buildinfo-5.8.0-1042-aws",
"binary_version": "5.8.0-1042.44~20.04.1"
},
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"binary_name": "linux-tools-5.8.0-1042-aws",
"binary_version": "5.8.0-1042.44~20.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2020-26558",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-0129",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3564",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3573",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-28691",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-38208",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
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"name": "linux-azure-5.8",
"purl": "pkg:deb/ubuntu/linux-azure-5.8@5.8.0-1040.43~20.04.1?arch=source&distro=focal"
},
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},
{
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}
]
}
],
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"5.8.0-1036.38~20.04.1",
"5.8.0-1039.42~20.04.1"
],
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},
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"binary_version": "5.8.0-1040.43~20.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2020-26558",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-0129",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3564",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3573",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-28691",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-38208",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "linux-gcp-5.8",
"purl": "pkg:deb/ubuntu/linux-gcp-5.8@5.8.0-1039.41?arch=source&distro=focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"versions": [
"5.8.0-1032.34~20.04.1",
"5.8.0-1035.37~20.04.1",
"5.8.0-1038.40~20.04.1"
],
"ecosystem_specific": {
"binaries": [
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},
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],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2020-26558",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-0129",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3564",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3573",
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{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-28691",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-38208",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
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"name": "linux-oracle-5.8",
"purl": "pkg:deb/ubuntu/linux-oracle-5.8@5.8.0-1038.39~20.04.1?arch=source&distro=focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
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{
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},
{
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}
]
}
],
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"5.8.0-1033.34~20.04.1",
"5.8.0-1034.35~20.04.2",
"5.8.0-1037.38~20.04.1"
],
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}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2020-26558",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-0129",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3564",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-3573",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-28691",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-38208",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5050-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-26558"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-0129"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-3564"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-3573"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-28691"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38208"
}
]
}
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