linux-ibm-5.4 vulnerabilities
It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-43945) Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-42896) It was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service (host NIC availability). (CVE-2022-3643) It was discovered that an integer overflow vulnerability existed in the Bluetooth subsystem in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2022-45934)
- Products
- linux-ibm-5.4
- Affected versions
- 5.4.0-1010.11~18.04.2, 5.4.0-1012.13~18.04.1, 5.4.0-1014.15~18.04.1, 5.4.0-1015.16~18.04.1, 5.4.0-1017.19~18.04.1, 5.4.0-1018.20~18.04.1, 5.4.0-1019.21~18.04.1, 5.4.0-1020.22~18.04.1, 5.4.0-1021.23~18.04.1, 5.4.0-1023.25~18.04.1, 5.4.0-1026.29~18.04.1, 5.4.0-1028.32~18.04.1, 5.4.0-1029.33~18.04.1, 5.4.0-1031.35~18.04.1, 5.4.0-1032.36~18.04.1, 5.4.0-1033.37~18.04.1, 5.4.0-1034.38~18.04.1, 5.4.0-1036.41~18.04.1, 5.4.0-1037.42~18.04.1, 5.4.0-1040.45~18.04.2, 5.4.0-1041.46~18.04.1
- Fixed versions
- 5.4.0-1042.47~18.04.1
- CVEs
- CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 19:26 UTC · Revision 1
Source evidence
It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-43945) Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-42896) It was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service (host NIC availability). (CVE-2022-3643) It was discovered that an integer overflow vulnerability existed in the Bluetooth subsystem in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2022-45934)
osv:USN-5808-1
linux-ibm-5.4
Fixed versions: 5.4.0-1042.47~18.04.1
Complete source record
{
"id": "e409ac26430bfa057b558d5428f9584027cb654a57618713b0750b1e89cbe3c2",
"url": "https://osv.dev/vulnerability/USN-5808-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "linux-ibm-5.4 vulnerabilities",
"summary": "It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-43945) Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-42896) It was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service (host NIC availability). (CVE-2022-3643) It was discovered that an integer overflow vulnerability existed in the Bluetooth subsystem in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2022-45934)",
"evidence": "osv:USN-5808-1",
"products": [
{
"name": {
"value": "linux-ibm-5.4",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.4.0-1042.47~18.04.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "5.4.0-1010.11~18.04.2",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1012.13~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1014.15~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1015.16~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1017.19~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1018.20~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1019.21~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1020.22~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1021.23~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1023.25~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1026.29~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1028.32~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1029.33~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1031.35~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1032.36~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1033.37~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1034.38~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1036.41~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1037.42~18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1040.45~18.04.2",
"evidence": "/affected/0/versions"
},
{
"value": "5.4.0-1041.46~18.04.1",
"evidence": "/affected/0/versions"
}
]
}
],
"severity": "unknown",
"structured": {
"id": "USN-5808-1",
"aliases": [
"USN-5808-1"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.4.0-1042.47~18.04.1"
}
]
}
],
"package": {
"name": "linux-ibm-5.4",
"purl": "pkg:deb/ubuntu/linux-ibm-5.4?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"5.4.0-1010.11~18.04.2",
"5.4.0-1012.13~18.04.1",
"5.4.0-1014.15~18.04.1",
"5.4.0-1015.16~18.04.1",
"5.4.0-1017.19~18.04.1",
"5.4.0-1018.20~18.04.1",
"5.4.0-1019.21~18.04.1",
"5.4.0-1020.22~18.04.1",
"5.4.0-1021.23~18.04.1",
"5.4.0-1023.25~18.04.1",
"5.4.0-1026.29~18.04.1",
"5.4.0-1028.32~18.04.1",
"5.4.0-1029.33~18.04.1",
"5.4.0-1031.35~18.04.1",
"5.4.0-1032.36~18.04.1",
"5.4.0-1033.37~18.04.1",
"5.4.0-1034.38~18.04.1",
"5.4.0-1036.41~18.04.1",
"5.4.0-1037.42~18.04.1",
"5.4.0-1040.45~18.04.2",
"5.4.0-1041.46~18.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5808-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2022-3643",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-42896",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2022-43945",
"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": "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": "high"
}
]
},
{
"id": "CVE-2022-45934",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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": "medium"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "linux-buildinfo-5.4.0-1042-ibm",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-headers-5.4.0-1042-ibm",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-ibm-5.4-cloud-tools-common",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-ibm-5.4-headers-5.4.0-1042",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-ibm-5.4-source-5.4.0",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-ibm-5.4-tools-5.4.0-1042",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-ibm-5.4-tools-common",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-image-unsigned-5.4.0-1042-ibm",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-modules-5.4.0-1042-ibm",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-modules-extra-5.4.0-1042-ibm",
"binary_version": "5.4.0-1042.47~18.04.1"
},
{
"binary_name": "linux-tools-5.4.0-1042-ibm",
"binary_version": "5.4.0-1042.47~18.04.1"
}
],
"availability": "No subscription required"
}
}
],
"modified": "2026-10-22T23:16:18.842831006Z",
"provider": "osv",
"upstream": [
"CVE-2022-3643",
"CVE-2022-42896",
"CVE-2022-43945",
"CVE-2022-45934",
"UBUNTU-CVE-2022-3643",
"UBUNTU-CVE-2022-42896",
"UBUNTU-CVE-2022-43945",
"UBUNTU-CVE-2022-45934"
],
"references": [
"https://ubuntu.com/security/notices/USN-5808-1",
"https://ubuntu.com/security/CVE-2022-3643",
"https://ubuntu.com/security/CVE-2022-42896",
"https://ubuntu.com/security/CVE-2022-43945",
"https://ubuntu.com/security/CVE-2022-45934"
]
},
"related_cves": [
{
"value": "CVE-2022-3643",
"evidence": "/upstream"
},
{
"value": "CVE-2022-42896",
"evidence": "/upstream"
},
{
"value": "CVE-2022-43945",
"evidence": "/upstream"
},
{
"value": "CVE-2022-45934",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410057,
"published_at": "2023-01-17T18:00:04+00:00"
}