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vuln-ubuntu/data/osv/usn/USN-6396-2.json
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{
"schema_version": "1.7.0",
"id": "USN-6396-2",
"summary": "linux-kvm vulnerabilities",
"details": "It was discovered that some AMD x86-64 processors with SMT enabled could\nspeculatively execute instructions using a return address from a sibling\nthread. A local attacker could possibly use this to expose sensitive\ninformation. (CVE-2022-27672)\n\nDaniel Moghimi discovered that some Intel(R) Processors did not properly\nclear microarchitectural state after speculative execution of various\ninstructions. A local unprivileged user could use this to obtain to\nsensitive information. (CVE-2022-40982)\n\nYang Lan discovered that the GFS2 file system implementation in the Linux\nkernel could attempt to dereference a null pointer in some situations. An\nattacker could use this to construct a malicious GFS2 image that, when\nmounted and operated on, could cause a denial of service (system crash).\n(CVE-2023-3212)\n\nIt was discovered that the NFC implementation in the Linux kernel contained\na use-after-free vulnerability when performing peer-to-peer communication\nin certain conditions. A privileged attacker could use this to cause a\ndenial of service (system crash) or possibly expose sensitive information\n(kernel memory). (CVE-2023-3863)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle L2CAP socket release, leading to a use-after-free\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-40283)\n\nIt was discovered that some network classifier implementations in the Linux\nkernel contained use-after-free vulnerabilities. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2023-4128)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2022-27672",
"UBUNTU-CVE-2022-40982",
"UBUNTU-CVE-2023-3212",
"UBUNTU-CVE-2023-3863",
"UBUNTU-CVE-2023-4128",
"UBUNTU-CVE-2023-40283"
],
"related": [],
"published": "2023-10-05T12:39:36Z",
"modified": "2026-10-22T19:56:25Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "linux-kvm",
"purl": "pkg:deb/ubuntu/linux-kvm@4.15.0-1145.150?arch=source&distro=esm-infra/bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.0-1145.150"
}
]
}
],
"versions": [
"4.15.0-1002.2",
"4.15.0-1003.3",
"4.15.0-1004.4",
"4.15.0-1006.6",
"4.15.0-1008.8",
"4.15.0-1010.10",
"4.15.0-1011.11",
"4.15.0-1012.12",
"4.15.0-1016.16",
"4.15.0-1017.17",
"4.15.0-1019.19",
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"4.15.0-1021.21",
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"4.15.0-1105.107",
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"4.15.0-1109.112",
"4.15.0-1110.113",
"4.15.0-1112.115",
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"4.15.0-1114.117",
"4.15.0-1116.119",
"4.15.0-1119.123",
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"4.15.0-1129.134",
"4.15.0-1132.137",
"4.15.0-1133.138",
"4.15.0-1134.139",
"4.15.0-1135.140",
"4.15.0-1136.141",
"4.15.0-1137.142",
"4.15.0-1138.143",
"4.15.0-1139.144",
"4.15.0-1140.145",
"4.15.0-1141.146",
"4.15.0-1142.147",
"4.15.0-1143.148",
"4.15.0-1144.149"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-buildinfo-4.15.0-1145-kvm",
"binary_version": "4.15.0-1145.150"
},
{
"binary_name": "linux-headers-4.15.0-1145-kvm",
"binary_version": "4.15.0-1145.150"
},
{
"binary_name": "linux-image-4.15.0-1145-kvm",
"binary_version": "4.15.0-1145.150"
},
{
"binary_name": "linux-kvm-headers-4.15.0-1145",
"binary_version": "4.15.0-1145.150"
},
{
"binary_name": "linux-kvm-tools-4.15.0-1145",
"binary_version": "4.15.0-1145.150"
},
{
"binary_name": "linux-modules-4.15.0-1145-kvm",
"binary_version": "4.15.0-1145.150"
},
{
"binary_name": "linux-tools-4.15.0-1145-kvm",
"binary_version": "4.15.0-1145.150"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"id": "CVE-2022-27672",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
},
{
"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": "low"
}
]
},
{
"id": "CVE-2022-40982",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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:C/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-3212",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2023-3863",
"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": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2023-4128",
"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"
}
]
},
{
"id": "CVE-2023-40283",
"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_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-6396-2"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-27672"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-40982"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-3212"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-3863"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-4128"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-40283"
}
]
}
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