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vuln-ubuntu/data/osv/usn/USN-5094-2.json
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{
"schema_version": "1.7.0",
"id": "USN-5094-2",
"summary": "linux-raspi2 vulnerabilities",
"details": "It was discovered that the KVM hypervisor implementation in the Linux\nkernel did not properly perform reference counting in some situations,\nleading to a use-after-free vulnerability. An attacker who could start and\ncontrol a VM could possibly use this to expose sensitive information or\nexecute arbitrary code. (CVE-2021-22543)\n\nIt was discovered that the tracing subsystem in the Linux kernel did not\nproperly keep track of per-cpu ring buffer state. A privileged attacker\ncould use this to cause a denial of service. (CVE-2021-3679)\n\nAlois Wohlschlager discovered that the overlay file system in the Linux\nkernel did not restrict private clones in some situations. An attacker\ncould use this to expose sensitive information. (CVE-2021-3732)\n\nIt was discovered that the MAX-3421 host USB device driver in the Linux\nkernel did not properly handle device removal events. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash). (CVE-2021-38204)\n\nIt was discovered that the Xilinx 10/100 Ethernet Lite device driver in the\nLinux kernel could report pointer addresses in some situations. An attacker\ncould use this information to ease the exploitation of another\nvulnerability. (CVE-2021-38205)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2021-3679",
"UBUNTU-CVE-2021-3732",
"UBUNTU-CVE-2021-22543",
"UBUNTU-CVE-2021-38204",
"UBUNTU-CVE-2021-38205"
],
"related": [],
"published": "2021-09-30T17:04:00Z",
"modified": "2026-09-09T11:23:28Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "linux-raspi2",
"purl": "pkg:deb/ubuntu/linux-raspi2@4.15.0-1096.102?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.0-1096.102"
}
]
}
],
"versions": [
"4.13.0-1005.5",
"4.13.0-1006.6",
"4.13.0-1008.8",
"4.15.0-1006.7",
"4.15.0-1009.10",
"4.15.0-1010.11",
"4.15.0-1011.12",
"4.15.0-1012.13",
"4.15.0-1013.14",
"4.15.0-1017.18",
"4.15.0-1018.19",
"4.15.0-1020.22",
"4.15.0-1021.23",
"4.15.0-1022.24",
"4.15.0-1024.26",
"4.15.0-1026.28",
"4.15.0-1027.29",
"4.15.0-1028.30",
"4.15.0-1029.31",
"4.15.0-1030.32",
"4.15.0-1031.33",
"4.15.0-1032.34",
"4.15.0-1033.35",
"4.15.0-1034.36",
"4.15.0-1036.38",
"4.15.0-1037.39",
"4.15.0-1038.40",
"4.15.0-1040.43",
"4.15.0-1041.44",
"4.15.0-1043.46",
"4.15.0-1044.47",
"4.15.0-1045.49",
"4.15.0-1047.51",
"4.15.0-1048.52",
"4.15.0-1049.53",
"4.15.0-1050.54",
"4.15.0-1052.56",
"4.15.0-1053.57",
"4.15.0-1054.58",
"4.15.0-1055.59",
"4.15.0-1057.61",
"4.15.0-1060.64",
"4.15.0-1061.65",
"4.15.0-1062.66",
"4.15.0-1063.67",
"4.15.0-1065.69",
"4.15.0-1067.71",
"4.15.0-1068.72",
"4.15.0-1070.74",
"4.15.0-1071.75",
"4.15.0-1073.78",
"4.15.0-1074.79",
"4.15.0-1076.81",
"4.15.0-1077.82",
"4.15.0-1078.83",
"4.15.0-1079.84",
"4.15.0-1080.85",
"4.15.0-1081.86",
"4.15.0-1082.87",
"4.15.0-1083.88",
"4.15.0-1084.89",
"4.15.0-1085.90",
"4.15.0-1086.91",
"4.15.0-1089.94",
"4.15.0-1092.98",
"4.15.0-1093.99",
"4.15.0-1094.100",
"4.15.0-1095.101"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-buildinfo-4.15.0-1096-raspi2",
"binary_version": "4.15.0-1096.102"
},
{
"binary_name": "linux-headers-4.15.0-1096-raspi2",
"binary_version": "4.15.0-1096.102"
},
{
"binary_name": "linux-image-4.15.0-1096-raspi2",
"binary_version": "4.15.0-1096.102"
},
{
"binary_name": "linux-modules-4.15.0-1096-raspi2",
"binary_version": "4.15.0-1096.102"
},
{
"binary_name": "linux-raspi2-headers-4.15.0-1096",
"binary_version": "4.15.0-1096.102"
},
{
"binary_name": "linux-raspi2-tools-4.15.0-1096",
"binary_version": "4.15.0-1096.102"
},
{
"binary_name": "linux-tools-4.15.0-1096-raspi2",
"binary_version": "4.15.0-1096.102"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2021-3679",
"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": "low"
}
]
},
{
"id": "CVE-2021-3732",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-22543",
"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": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-38204",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2021-38205",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5094-2"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-3679"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-3732"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-22543"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38204"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38205"
}
]
}
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