Fix of 6 CVEs
[ Ubuntu: 4.15.0-256.267 ] * CVE-2026-46333 - ptrace: require CAP_SYS_PTRACE when task has no mm {CVE-2026-46333} * CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths {CVE-2026-46300} * CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags {CVE-2026-43284} * Packaging - Adopt +tuxcare.elsN versioning scheme * Bump ABI 4.15.0-257
- Products
- linux-buildinfo-4.15.0-257-generic, linux-buildinfo-4.15.0-257-lowlatency, linux-cloud-tools-4.15.0-257, linux-cloud-tools-4.15.0-257-generic, linux-cloud-tools-4.15.0-257-lowlatency, linux-cloud-tools-common, linux-doc, linux-headers-4.15.0-257, linux-headers-4.15.0-257-generic, linux-headers-4.15.0-257-lowlatency, linux-image-unsigned-4.15.0-257-generic, linux-image-unsigned-4.15.0-257-lowlatency, linux-libc-dev, linux-modules-4.15.0-257-generic, linux-modules-4.15.0-257-lowlatency, linux-modules-extra-4.15.0-257-generic, linux-source-4.15.0, linux-tools-4.15.0-257, linux-tools-4.15.0-257-generic, linux-tools-4.15.0-257-lowlatency, linux-tools-common, linux-tools-host
- Affected versions
- Not specified
- Fixed versions
- 4.15.0-257.268+tuxcare.els1
- CVEs
- CVE-2026-43284, CVE-2026-46300, CVE-2026-46333
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:41 UTC · Revision 1
Source evidence
[ Ubuntu: 4.15.0-256.267 ] * CVE-2026-46333 - ptrace: require CAP_SYS_PTRACE when task has no mm {CVE-2026-46333} * CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths {CVE-2026-46300} * CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags {CVE-2026-43284} * Packaging - Adopt +tuxcare.elsN versioning scheme * Bump ABI 4.15.0-257
osv:CLSA-2026-1779202006
linux-buildinfo-4.15.0-257-generic
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-buildinfo-4.15.0-257-lowlatency
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-cloud-tools-4.15.0-257
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-cloud-tools-4.15.0-257-generic
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-cloud-tools-4.15.0-257-lowlatency
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-cloud-tools-common
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-doc
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-headers-4.15.0-257
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-headers-4.15.0-257-generic
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-headers-4.15.0-257-lowlatency
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-image-unsigned-4.15.0-257-generic
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-image-unsigned-4.15.0-257-lowlatency
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-libc-dev
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-modules-4.15.0-257-generic
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-modules-4.15.0-257-lowlatency
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-modules-extra-4.15.0-257-generic
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-source-4.15.0
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-tools-4.15.0-257
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-tools-4.15.0-257-generic
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-tools-4.15.0-257-lowlatency
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-tools-common
Fixed versions: 4.15.0-257.268+tuxcare.els1
linux-tools-host
Fixed versions: 4.15.0-257.268+tuxcare.els1
Complete source record
{
"id": "930451f8b8560ff239f5dd8bae0a4ec1d41c597860819d03271d7a38c59a6410",
"url": "https://osv.dev/vulnerability/CLSA-2026-1779202006",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix of 6 CVEs",
"summary": "[ Ubuntu: 4.15.0-256.267 ] * CVE-2026-46333 - ptrace: require CAP_SYS_PTRACE when task has no mm {CVE-2026-46333} * CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths {CVE-2026-46300} * CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags {CVE-2026-43284} * Packaging - Adopt +tuxcare.elsN versioning scheme * Bump ABI 4.15.0-257",
"evidence": "osv:CLSA-2026-1779202006",
"products": [
{
"name": {
"value": "linux-buildinfo-4.15.0-257-generic",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-buildinfo-4.15.0-257-lowlatency",
"evidence": "/affected/1/package/name"
},
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],
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},
{
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"evidence": "/affected/2/package/name"
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/3/package/name"
},
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"fixed_versions": [
{
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"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
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"evidence": "/affected/4/package/name"
},
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"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-cloud-tools-common",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-doc",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-headers-4.15.0-257",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-headers-4.15.0-257-generic",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-headers-4.15.0-257-lowlatency",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-image-unsigned-4.15.0-257-generic",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-image-unsigned-4.15.0-257-lowlatency",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-libc-dev",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/12/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-modules-4.15.0-257-generic",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-modules-4.15.0-257-lowlatency",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-modules-extra-4.15.0-257-generic",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/15/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-source-4.15.0",
"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/16/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-tools-4.15.0-257",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/17/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-tools-4.15.0-257-generic",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/18/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-tools-4.15.0-257-lowlatency",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/19/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-tools-common",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/20/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linux-tools-host",
"evidence": "/affected/21/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15.0-257.268+tuxcare.els1",
"evidence": "/affected/21/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1779202006",
"aliases": [
"CLSA-2026-1779202006"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.0-257.268+tuxcare.els1"
}
]
}
],
"package": {
"name": "linux-buildinfo-4.15.0-257-generic",
"purl": "pkg:deb/tuxcare/linux-buildinfo-4.15.0-257-generic?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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],
"package": {
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"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
"fixed": "4.15.0-257.268+tuxcare.els1"
}
]
}
],
"package": {
"name": "linux-cloud-tools-4.15.0-257-generic",
"purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257-generic?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
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],
"package": {
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"purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257-lowlatency?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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],
"package": {
"name": "linux-cloud-tools-common",
"purl": "pkg:deb/tuxcare/linux-cloud-tools-common?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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{
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}
]
}
],
"package": {
"name": "linux-doc",
"purl": "pkg:deb/tuxcare/linux-doc?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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],
"package": {
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"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
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{
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],
"package": {
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"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
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{
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}
],
"package": {
"name": "linux-headers-4.15.0-257-lowlatency",
"purl": "pkg:deb/tuxcare/linux-headers-4.15.0-257-lowlatency?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "linux-image-unsigned-4.15.0-257-generic",
"purl": "pkg:deb/tuxcare/linux-image-unsigned-4.15.0-257-generic?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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{
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},
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}
]
}
],
"package": {
"name": "linux-image-unsigned-4.15.0-257-lowlatency",
"purl": "pkg:deb/tuxcare/linux-image-unsigned-4.15.0-257-lowlatency?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "linux-libc-dev",
"purl": "pkg:deb/tuxcare/linux-libc-dev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.0-257.268+tuxcare.els1"
}
]
}
],
"package": {
"name": "linux-modules-4.15.0-257-generic",
"purl": "pkg:deb/tuxcare/linux-modules-4.15.0-257-generic?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "linux-modules-4.15.0-257-lowlatency",
"purl": "pkg:deb/tuxcare/linux-modules-4.15.0-257-lowlatency?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "linux-modules-extra-4.15.0-257-generic",
"purl": "pkg:deb/tuxcare/linux-modules-extra-4.15.0-257-generic?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.0-257.268+tuxcare.els1"
}
]
}
],
"package": {
"name": "linux-source-4.15.0",
"purl": "pkg:deb/tuxcare/linux-source-4.15.0?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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{
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{
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}
]
}
],
"package": {
"name": "linux-tools-4.15.0-257",
"purl": "pkg:deb/tuxcare/linux-tools-4.15.0-257?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "linux-tools-4.15.0-257-generic",
"purl": "pkg:deb/tuxcare/linux-tools-4.15.0-257-generic?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "linux-tools-4.15.0-257-lowlatency",
"purl": "pkg:deb/tuxcare/linux-tools-4.15.0-257-lowlatency?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "linux-tools-common",
"purl": "pkg:deb/tuxcare/linux-tools-common?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15.0-257.268+tuxcare.els1"
}
]
}
],
"package": {
"name": "linux-tools-host",
"purl": "pkg:deb/tuxcare/linux-tools-host?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
}
}
],
"modified": "2026-10-26T09:32:03.363452684Z",
"provider": "osv",
"upstream": [
"CVE-2026-43284",
"CVE-2026-46300",
"CVE-2026-46333"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1779202006.html",
"https://nvd.nist.gov/vuln/detail/CVE-2022-50067",
"https://nvd.nist.gov/vuln/detail/CVE-2024-35967",
"https://nvd.nist.gov/vuln/detail/CVE-2024-39469",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21703",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46300",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46333"
]
},
"related_cves": [
{
"value": "CVE-2026-43284",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46300",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46333",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449520,
"published_at": "2026-10-19T13:45:55+00:00"
}