UnratedFix available
Fix CVE(s): CVE-2026-31405, CVE-2026-53043, CVE-2026-64564
Type: advisorySources: OSV
* CVE-2026-64564 - sctp: don't free the ASCONF's own transport in DEL-IP processing {CVE-2026-64564} * CVE-2026-53043 - ocfs2/dlm: validate qr_numregions in dlm_match_regions() {CVE-2026-53043} * CVE-2026-31405 - media: dvb-net: fix OOB access in ULE extension header tables {CVE-2026-31405} * Bump ABI 4.15.0-263
- Products
- linux-buildinfo-4.15.0-263-generic, linux-buildinfo-4.15.0-263-lowlatency, linux-cloud-tools-4.15.0-263, linux-cloud-tools-4.15.0-263-generic, linux-cloud-tools-4.15.0-263-lowlatency, linux-cloud-tools-common, linux-doc, linux-headers-4.15.0-263, linux-headers-4.15.0-263-generic, linux-headers-4.15.0-263-lowlatency, linux-image-unsigned-4.15.0-263-generic, linux-image-unsigned-4.15.0-263-lowlatency, linux-libc-dev, linux-modules-4.15.0-263-generic, linux-modules-4.15.0-263-lowlatency, linux-modules-extra-4.15.0-263-generic, linux-source-4.15.0, linux-tools-4.15.0-263, linux-tools-4.15.0-263-generic, linux-tools-4.15.0-263-lowlatency, linux-tools-common, linux-tools-host
- Affected versions
- Not specified
- Fixed versions
- 4.15.0-263.274+tuxcare.els1
- CVEs
- CVE-2026-31405, CVE-2026-53043, CVE-2026-64564
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:09 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-31405, CVE-2026-53043, CVE-2026-64564
core-osv · Original sourcePublished 19 Oct 2026, 14:40 UTC
* CVE-2026-64564 - sctp: don't free the ASCONF's own transport in DEL-IP processing {CVE-2026-64564} * CVE-2026-53043 - ocfs2/dlm: validate qr_numregions in dlm_match_regions() {CVE-2026-53043} * CVE-2026-31405 - media: dvb-net: fix OOB access in ULE extension header tables {CVE-2026-31405} * Bump ABI 4.15.0-263
osv:CLSA-2026-1787293144
linux-buildinfo-4.15.0-263-generic
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-buildinfo-4.15.0-263-lowlatency
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-cloud-tools-4.15.0-263
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-cloud-tools-4.15.0-263-generic
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-cloud-tools-4.15.0-263-lowlatency
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-cloud-tools-common
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-doc
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-headers-4.15.0-263
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-headers-4.15.0-263-generic
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-headers-4.15.0-263-lowlatency
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-image-unsigned-4.15.0-263-generic
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-image-unsigned-4.15.0-263-lowlatency
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-libc-dev
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-modules-4.15.0-263-generic
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-modules-4.15.0-263-lowlatency
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-modules-extra-4.15.0-263-generic
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-source-4.15.0
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-tools-4.15.0-263
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-tools-4.15.0-263-generic
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-tools-4.15.0-263-lowlatency
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-tools-common
Fixed versions: 4.15.0-263.274+tuxcare.els1
linux-tools-host
Fixed versions: 4.15.0-263.274+tuxcare.els1
Complete source record
{
"id": "4db87b71ddd7acd4efadf8f99548700a4fd44450cfa8335fec29b8fe466d1d3c",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787293144",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-31405, CVE-2026-53043, CVE-2026-64564",
"summary": "* CVE-2026-64564 - sctp: don't free the ASCONF's own transport in DEL-IP processing {CVE-2026-64564} * CVE-2026-53043 - ocfs2/dlm: validate qr_numregions in dlm_match_regions() {CVE-2026-53043} * CVE-2026-31405 - media: dvb-net: fix OOB access in ULE extension header tables {CVE-2026-31405} * Bump ABI 4.15.0-263",
"evidence": "osv:CLSA-2026-1787293144",
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/10/package/name"
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{
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{
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"evidence": "/affected/20/package/name"
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],
"affected_versions": []
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],
"severity": "unknown",
"structured": {
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"aliases": [
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"affected": [
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"package": {
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"database_specific": {
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],
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"ecosystem": "TuxCare:Ubuntu:18.04"
},
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}
},
{
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],
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"purl": "pkg:deb/tuxcare/linux-modules-4.15.0-263-generic?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
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"package": {
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"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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}
},
{
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"package": {
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"ecosystem": "TuxCare:Ubuntu:18.04"
},
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-tools-common?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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}
},
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],
"package": {
"name": "linux-tools-host",
"purl": "pkg:deb/tuxcare/linux-tools-host?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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}
],
"modified": "2026-10-26T09:31:47.302424417Z",
"provider": "osv",
"upstream": [
"CVE-2026-31405",
"CVE-2026-53043",
"CVE-2026-64564"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1787293144.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-31405",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53043",
"https://nvd.nist.gov/vuln/detail/CVE-2026-64564"
]
},
"related_cves": [
{
"value": "CVE-2026-31405",
"evidence": "/upstream"
},
{
"value": "CVE-2026-53043",
"evidence": "/upstream"
},
{
"value": "CVE-2026-64564",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448489,
"published_at": "2026-10-19T14:40:02+00:00"
}