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vuln-ubuntu/data/osv/usn/USN-5092-1.json
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{
"schema_version": "1.7.0",
"id": "USN-5092-1",
"summary": "linux, linux-aws, linux-aws-5.11, linux-gcp, linux-kvm, linux-oracle, linux-raspi vulnerabilities",
"details": "Valentina Palmiotti discovered that the io_uring subsystem in the Linux\nkernel could be coerced to free adjacent memory. A local attacker could use\nthis to execute arbitrary code. (CVE-2021-41073)\n\nOfek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk\ndiscovered that the BPF verifier in the Linux kernel missed possible\nmispredicted branches due to type confusion, allowing a side-channel\nattack. An attacker could use this to expose sensitive information.\n(CVE-2021-33624)\n\nBenedict Schlueter discovered that the BPF subsystem in the Linux kernel\ndid not properly protect against Speculative Store Bypass (SSB) side-\nchannel attacks in some situations. A local attacker could possibly use\nthis to expose sensitive information. (CVE-2021-34556)\n\nPiotr Krysiuk discovered that the BPF subsystem in the Linux kernel did not\nproperly protect against Speculative Store Bypass (SSB) side-channel\nattacks in some situations. A local attacker could possibly use this to\nexpose sensitive information. (CVE-2021-35477)\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\nIt was discovered that the Option USB High Speed Mobile device driver in\nthe Linux kernel did not properly handle error conditions. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash) or possibly execute arbitrary code. (CVE-2021-37159)\n\nAlexey Kardashevskiy discovered that the KVM implementation for PowerPC\nsystems in the Linux kernel did not properly validate RTAS arguments in\nsome situations. An attacker in a guest vm could use this to cause a denial\nof service (host OS crash) or possibly execute arbitrary code.\n(CVE-2021-37576)\n\nIt was discovered that the Virtio console implementation in the Linux\nkernel did not properly validate input lengths in some situations. A local\nattacker could possibly use this to cause a denial of service (system\ncrash). (CVE-2021-38160)\n\nMichael Wakabayashi discovered that the NFSv4 client implementation in the\nLinux kernel did not properly order connection setup operations. An\nattacker controlling a remote NFS server could use this to cause a denial\nof service on the client. (CVE-2021-38199)\n\nIt was discovered that the Sun RPC implementation in the Linux kernel\ncontained an out-of-bounds access error. A remote attacker could possibly\nuse this to cause a denial of service (system crash). (CVE-2021-38201)\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-2021-33624",
"UBUNTU-CVE-2021-34556",
"UBUNTU-CVE-2021-35477",
"UBUNTU-CVE-2021-37159",
"UBUNTU-CVE-2021-37576",
"UBUNTU-CVE-2021-38160",
"UBUNTU-CVE-2021-38199",
"UBUNTU-CVE-2021-38201",
"UBUNTU-CVE-2021-38204",
"UBUNTU-CVE-2021-38205",
"UBUNTU-CVE-2021-41073"
],
"related": [],
"published": "2021-09-28T04:09:07Z",
"modified": "2026-06-03T10:45:26Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "linux-aws-5.11",
"purl": "pkg:deb/ubuntu/linux-aws-5.11@5.11.0-1019.20~20.04.1?arch=source&distro=focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.11.0-1019.20~20.04.1"
}
]
}
],
"versions": [
"5.11.0-1009.9~20.04.2",
"5.11.0-1014.15~20.04.1",
"5.11.0-1016.17~20.04.1",
"5.11.0-1017.18~20.04.1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-aws-5.11-cloud-tools-5.11.0-1019",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-aws-5.11-headers-5.11.0-1019",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-aws-5.11-tools-5.11.0-1019",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-buildinfo-5.11.0-1019-aws",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-cloud-tools-5.11.0-1019-aws",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-headers-5.11.0-1019-aws",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-image-5.11.0-1019-aws",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-modules-5.11.0-1019-aws",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-modules-extra-5.11.0-1019-aws",
"binary_version": "5.11.0-1019.20~20.04.1"
},
{
"binary_name": "linux-tools-5.11.0-1019-aws",
"binary_version": "5.11.0-1019.20~20.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:20.04: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-2021-33624",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-34556",
"severity": [
{
"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-2021-35477",
"severity": [
{
"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-2021-37159",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2021-38160",
"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-2021-38199",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-38201",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"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"
}
]
},
{
"id": "CVE-2021-41073",
"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": "high"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5092-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-3679"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-33624"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-34556"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-35477"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-37159"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-37576"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38160"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38199"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38201"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38204"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-38205"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-41073"
}
]
}
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