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vuln-ubuntu/data/osv/usn/USN-5682-1.json
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{
"schema_version": "1.7.0",
"id": "USN-5682-1",
"summary": "linux-aws-5.4 vulnerabilities",
"details": "It was discovered that the BPF verifier in the Linux kernel did not\nproperly handle internal data structures. A local attacker could use this\nto expose sensitive information (kernel memory). (CVE-2021-4159)\n\nIt was discovered that an out-of-bounds write vulnerability existed in the\nVideo for Linux 2 (V4L2) implementation in the Linux kernel. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2022-20369)\n\nDuoming Zhou discovered that race conditions existed in the timer handling\nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in\nuse-after-free vulnerabilities. A local attacker could use this to cause a\ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux\nkernel did not properly initialize memory pages to be used for shared\ncommunication with the backend. A local attacker could use this to expose\nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nPawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan\nand Ariel Sabba discovered that some Intel processors with Enhanced\nIndirect Branch Restricted Speculation (eIBRS) did not properly handle RET\ninstructions after a VM exits. A local attacker could potentially use this\nto expose sensitive information. (CVE-2022-26373)\n\nEric Biggers discovered that a use-after-free vulnerability existed in the\nio_uring subsystem in the Linux kernel. A local attacker could possibly use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2022-3176)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the\nLinux kernel did not properly initialize memory pages to be used for shared\ncommunication with the backend. A local attacker could use this to expose\nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux\nkernel incorrectly shared unrelated data when communicating with certain\nbackends. A local attacker could use this to cause a denial of service\n(guest crash) or expose sensitive information (guest kernel memory).\n(CVE-2022-33741, CVE-2022-33742)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in\nthe Linux kernel on ARM platforms contained a race condition in certain\nsituations. An attacker in a guest VM could use this to cause a denial of\nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the Netlink Transformation (XFRM) subsystem in the\nLinux kernel contained a reference counting error. A local attacker could\nuse this to cause a denial of service (system crash). (CVE-2022-36879)\n\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2021-4159",
"UBUNTU-CVE-2022-2318",
"UBUNTU-CVE-2022-3176",
"UBUNTU-CVE-2022-20369",
"UBUNTU-CVE-2022-26365",
"UBUNTU-CVE-2022-26373",
"UBUNTU-CVE-2022-33740",
"UBUNTU-CVE-2022-33741",
"UBUNTU-CVE-2022-33742",
"UBUNTU-CVE-2022-33744",
"UBUNTU-CVE-2022-36879"
],
"related": [],
"published": "2022-10-14T18:46:48Z",
"modified": "2026-10-22T19:56:18Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "linux-aws-5.4",
"purl": "pkg:deb/ubuntu/linux-aws-5.4@5.4.0-1086.93~18.04.1?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.4.0-1086.93~18.04.1"
}
]
}
],
"versions": [
"5.4.0-1018.18~18.04.1",
"5.4.0-1020.20~18.04.2",
"5.4.0-1022.22~18.04.1",
"5.4.0-1024.24~18.04.1",
"5.4.0-1025.25~18.04.1",
"5.4.0-1028.29~18.04.1",
"5.4.0-1029.30~18.04.1",
"5.4.0-1030.31~18.04.1",
"5.4.0-1032.33~18.04.1",
"5.4.0-1034.35~18.04.1",
"5.4.0-1035.37~18.04.1",
"5.4.0-1037.39~18.04.1",
"5.4.0-1038.40~18.04.1",
"5.4.0-1039.41~18.04.1",
"5.4.0-1041.43~18.04.1",
"5.4.0-1043.45~18.04.1",
"5.4.0-1045.47~18.04.1",
"5.4.0-1047.49~18.04.1",
"5.4.0-1048.50~18.04.1",
"5.4.0-1049.51~18.04.1",
"5.4.0-1051.53~18.04.1",
"5.4.0-1054.57~18.04.1",
"5.4.0-1055.58~18.04.1",
"5.4.0-1056.59~18.04.1",
"5.4.0-1057.60~18.04.1",
"5.4.0-1058.61~18.04.3",
"5.4.0-1059.62~18.04.1",
"5.4.0-1060.63~18.04.1",
"5.4.0-1061.64~18.04.1",
"5.4.0-1063.66~18.04.1",
"5.4.0-1064.67~18.04.1",
"5.4.0-1065.68~18.04.1",
"5.4.0-1066.69~18.04.1",
"5.4.0-1068.72~18.04.1",
"5.4.0-1069.73~18.04.1",
"5.4.0-1071.76~18.04.1",
"5.4.0-1072.77~18.04.1",
"5.4.0-1075.80~18.04.1",
"5.4.0-1078.84~18.04.1",
"5.4.0-1080.87~18.04.1",
"5.4.0-1081.88~18.04.1",
"5.4.0-1083.90~18.04.1",
"5.4.0-1084.91~18.04.1",
"5.4.0-1085.92~18.04.1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-aws-5.4-cloud-tools-5.4.0-1086",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-aws-5.4-headers-5.4.0-1086",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-aws-5.4-tools-5.4.0-1086",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-buildinfo-5.4.0-1086-aws",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-cloud-tools-5.4.0-1086-aws",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-headers-5.4.0-1086-aws",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-image-unsigned-5.4.0-1086-aws",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-modules-5.4.0-1086-aws",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-modules-extra-5.4.0-1086-aws",
"binary_version": "5.4.0-1086.93~18.04.1"
},
{
"binary_name": "linux-tools-5.4.0-1086-aws",
"binary_version": "5.4.0-1086.93~18.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2021-4159",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-2318",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"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": "high"
}
]
},
{
"id": "CVE-2022-3176",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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:H/A:H"
},
{
"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"
}
]
},
{
"id": "CVE-2022-20369",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-26365",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2022-26373",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/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": "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-2022-33740",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-33741",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/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:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-33742",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2022-33744",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-36879",
"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": "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"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5682-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-4159"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-2318"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-3176"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-20369"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-26365"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-26373"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-33740"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-33741"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-33742"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-33744"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-36879"
}
]
}
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