UnratedFix available
Fix CVE(s): CVE-2018-12931, CVE-2026-43499
Type: advisorySources: OSV
* CVE-2026-53166 - futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166} * CVE-2026-43499 - rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499} * Bump ABI 4.4.0-285
- Products
- linux-buildinfo-4.4.0-285-generic, linux-buildinfo-4.4.0-285-lowlatency, linux-cloud-tools-4.4.0-285, linux-cloud-tools-4.4.0-285-generic, linux-cloud-tools-4.4.0-285-lowlatency, linux-cloud-tools-common, linux-doc, linux-headers-4.4.0-285, linux-headers-4.4.0-285-generic, linux-headers-4.4.0-285-lowlatency, linux-image-unsigned-4.4.0-285-generic, linux-image-unsigned-4.4.0-285-lowlatency, linux-libc-dev, linux-modules-4.4.0-285-generic, linux-modules-4.4.0-285-lowlatency, linux-modules-extra-4.4.0-285-generic, linux-source-4.4.0, linux-tools-4.4.0-285, linux-tools-4.4.0-285-generic, linux-tools-4.4.0-285-lowlatency, linux-tools-common, linux-tools-host
- Affected versions
- Not specified
- Fixed versions
- 4.4.0-285.319+tuxcare.els1
- CVEs
- CVE-2018-12931, CVE-2026-43499, CVE-2026-53166
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:08 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2018-12931, CVE-2026-43499
core-osv · Original sourcePublished 21 Oct 2026, 09:04 UTC
* CVE-2026-53166 - futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166} * CVE-2026-43499 - rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499} * Bump ABI 4.4.0-285
osv:CLSA-2026-1783790385
linux-buildinfo-4.4.0-285-generic
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-buildinfo-4.4.0-285-lowlatency
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-cloud-tools-4.4.0-285
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-cloud-tools-4.4.0-285-generic
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-cloud-tools-4.4.0-285-lowlatency
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-cloud-tools-common
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-doc
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-headers-4.4.0-285
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-headers-4.4.0-285-generic
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-headers-4.4.0-285-lowlatency
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-image-unsigned-4.4.0-285-generic
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-image-unsigned-4.4.0-285-lowlatency
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-libc-dev
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-modules-4.4.0-285-generic
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-modules-4.4.0-285-lowlatency
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-modules-extra-4.4.0-285-generic
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-source-4.4.0
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-tools-4.4.0-285
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-tools-4.4.0-285-generic
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-tools-4.4.0-285-lowlatency
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-tools-common
Fixed versions: 4.4.0-285.319+tuxcare.els1
linux-tools-host
Fixed versions: 4.4.0-285.319+tuxcare.els1
Complete source record
{
"id": "f5b717ab5b10fae51affeff31637dc5576efa355e6a29021425e307d13915caa",
"url": "https://osv.dev/vulnerability/CLSA-2026-1783790385",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2018-12931, CVE-2026-43499",
"summary": "* CVE-2026-53166 - futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock {CVE-2026-53166} * CVE-2026-43499 - rtmutex: Use waiter::task instead of current in remove_waiter() {CVE-2026-43499} * Bump ABI 4.4.0-285",
"evidence": "osv:CLSA-2026-1783790385",
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{
"name": {
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"evidence": "/affected/10/package/name"
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"affected_versions": []
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{
"name": {
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{
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{
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{
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{
"name": {
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"evidence": "/affected/16/package/name"
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{
"name": {
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"evidence": "/affected/17/package/name"
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"evidence": "/affected/19/package/name"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/20/package/name"
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"prerequisites": [],
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"evidence": "/affected/20/ranges"
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"affected_versions": []
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"name": {
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"evidence": "/affected/21/package/name"
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"evidence": "/affected/21/ranges"
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],
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}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1783790385",
"aliases": [
"CLSA-2026-1783790385"
],
"affected": [
{
"ranges": [
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"events": [
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"package": {
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"ecosystem": "TuxCare:Ubuntu:16.04"
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"database_specific": {
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"package": {
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"package": {
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"purl": "pkg:deb/tuxcare/linux-cloud-tools-4.4.0-285-generic?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
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"database_specific": {
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"package": {
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"ecosystem": "TuxCare:Ubuntu:16.04"
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"database_specific": {
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"package": {
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"purl": "pkg:deb/tuxcare/linux-cloud-tools-common?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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},
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-doc?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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},
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"package": {
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"ecosystem": "TuxCare:Ubuntu:16.04"
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"package": {
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},
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"package": {
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"ecosystem": "TuxCare:Ubuntu:16.04"
},
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{
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-image-unsigned-4.4.0-285-generic?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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},
{
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],
"package": {
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"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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},
{
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-libc-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783790385.json"
}
},
{
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],
"package": {
"name": "linux-modules-4.4.0-285-generic",
"purl": "pkg:deb/tuxcare/linux-modules-4.4.0-285-generic?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783790385.json"
}
},
{
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{
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-modules-4.4.0-285-lowlatency?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783790385.json"
}
},
{
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{
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"events": [
{
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{
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}
]
}
],
"package": {
"name": "linux-modules-extra-4.4.0-285-generic",
"purl": "pkg:deb/tuxcare/linux-modules-extra-4.4.0-285-generic?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783790385.json"
}
},
{
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{
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{
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{
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}
]
}
],
"package": {
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"purl": "pkg:deb/tuxcare/linux-source-4.4.0?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783790385.json"
}
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{
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"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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}
},
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-tools-4.4.0-285-generic?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-tools-common?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783790385.json"
}
},
{
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},
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}
]
}
],
"package": {
"name": "linux-tools-host",
"purl": "pkg:deb/tuxcare/linux-tools-host?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1783790385.json"
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}
],
"modified": "2026-10-26T09:31:47.013469974Z",
"provider": "osv",
"upstream": [
"CVE-2018-12931",
"CVE-2026-43499",
"CVE-2026-53166"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1783790385.html",
"https://nvd.nist.gov/vuln/detail/CVE-2018-12931",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43499"
]
},
"related_cves": [
{
"value": "CVE-2018-12931",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43499",
"evidence": "/upstream"
},
{
"value": "CVE-2026-53166",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448466,
"published_at": "2026-10-21T09:04:00+00:00"
}