High
linuxptp — security advisory
An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function
- Products
- linuxptp
- Affected versions
- 1.5-1, 1.5-2, 1.6-1, 1.6-1ubuntu0.1~esm1, 1.8-1, 1.8-1ubuntu0.1, 1.9.2-1, 1.9.2-1ubuntu0.1, 3.1-2.1, 3.1.1-2, 3.1.1-3, 4.0-1, 4.0-1ubuntu1, 4.0-1ubuntu1.1, 4.2-1ubuntu1, 4.2-1ubuntu2, 4.4-0ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2024-42861
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:09 UTC · Revision 1
Source evidence
An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function
osv:UBUNTU-CVE-2024-42861
linuxptp
Fixed versions: Not specified
linuxptp
Fixed versions: Not specified
linuxptp
Fixed versions: Not specified
linuxptp
Fixed versions: Not specified
linuxptp
Fixed versions: Not specified
linuxptp
Fixed versions: Not specified
linuxptp
Fixed versions: Not specified
linuxptp
Fixed versions: Not specified
Complete source record
{
"id": "90e1bf15301903588e91a9887469594e784f953f1532d2dbfccd5c5cd8914955",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2024-42861",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2024-42861",
"summary": "An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function",
"evidence": "osv:UBUNTU-CVE-2024-42861",
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{
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{
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{
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{
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{
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"affected_versions": [
{
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],
"severity": "high",
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"aliases": [
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"metrics": [
{
"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": "negligible"
}
],
"affected": [
{
"ranges": [
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"events": [
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"package": {
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"versions": [
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},
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{
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.8-1",
"1.8-1ubuntu0.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-42861.json"
},
"ecosystem_specific": {
"binaries": [
{
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}
],
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},
{
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{
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],
"package": {
"name": "linuxptp",
"purl": "pkg:deb/ubuntu/linuxptp?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.9.2-1",
"1.9.2-1ubuntu0.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-42861.json"
},
"ecosystem_specific": {
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{
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],
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},
{
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],
"package": {
"name": "linuxptp",
"purl": "pkg:deb/ubuntu/linuxptp?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"3.1-2.1",
"3.1.1-2",
"3.1.1-3"
],
"database_specific": {
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},
"ecosystem_specific": {
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],
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},
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],
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}
},
{
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},
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},
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],
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}
},
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],
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},
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],
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}
],
"modified": "2026-10-17T12:56:38.987508801Z",
"provider": "osv",
"upstream": [
"CVE-2024-42861"
],
"references": [
"https://ubuntu.com/security/CVE-2024-42861",
"https://www.cve.org/CVERecord?id=CVE-2024-42861",
"https://bugzilla.redhat.com/show_bug.cgi?id=2314319",
"https://lists.nwtime.org/sympa/arc/linuxptp-users/2024-09/msg00020.html",
"https://lists.nwtime.org/sympa/arc/linuxptp-devel/2024-09/msg00080.html",
"https://github.com/qiupy123/CVE-2024-42861"
]
},
"related_cves": [
{
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"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 355904,
"published_at": "2024-09-23T21:15:00+00:00"
}