UnratedFix available
systemd: Fix of CVE-2026-29111
Type: advisorySources: OSV
- CVE-2026-29111: validate the control group path in the GetUnitByControlGroup D-Bus method, rejecting non-absolute or non-normalized input to prevent stack exhaustion from an oversized, attacker-controlled string - Skip the test-fs-util symlink touch_file check when the build kernel does not support chmod() on a symlink (-EOPNOTSUPP), so the build's test phase no longer aborts during the package build
- Products
- systemd, systemd-container, systemd-devel, systemd-journal-remote, systemd-libs, systemd-pam, systemd-tests, systemd-udev
- Affected versions
- Not specified
- Fixed versions
- 239-45.el8_4.3.tuxcare.els6
- CVEs
- CVE-2026-29111
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:13 UTC · Revision 1
Source evidence
- CVE-2026-29111: validate the control group path in the GetUnitByControlGroup D-Bus method, rejecting non-absolute or non-normalized input to prevent stack exhaustion from an oversized, attacker-controlled string - Skip the test-fs-util symlink touch_file check when the build kernel does not support chmod() on a symlink (-EOPNOTSUPP), so the build's test phase no longer aborts during the package build
osv:CLSA-2026-1784813597
systemd
Fixed versions: 239-45.el8_4.3.tuxcare.els6
systemd-container
Fixed versions: 239-45.el8_4.3.tuxcare.els6
systemd-devel
Fixed versions: 239-45.el8_4.3.tuxcare.els6
systemd-journal-remote
Fixed versions: 239-45.el8_4.3.tuxcare.els6
systemd-libs
Fixed versions: 239-45.el8_4.3.tuxcare.els6
systemd-pam
Fixed versions: 239-45.el8_4.3.tuxcare.els6
systemd-tests
Fixed versions: 239-45.el8_4.3.tuxcare.els6
systemd-udev
Fixed versions: 239-45.el8_4.3.tuxcare.els6
Complete source record
{
"id": "ab61087054ffc7e789afacea4198f1e3d109e1d5fa1302117fdb3d2bd365b484",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784813597",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "systemd: Fix of CVE-2026-29111",
"summary": "- CVE-2026-29111: validate the control group path in the GetUnitByControlGroup D-Bus method, rejecting non-absolute or non-normalized input to prevent stack exhaustion from an oversized, attacker-controlled string - Skip the test-fs-util symlink touch_file check when the build kernel does not support chmod() on a symlink (-EOPNOTSUPP), so the build's test phase no longer aborts during the package build",
"evidence": "osv:CLSA-2026-1784813597",
"products": [
{
"name": {
"value": "systemd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemd-container",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemd-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemd-journal-remote",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemd-libs",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemd-pam",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemd-tests",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "systemd-udev",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "239-45.el8_4.3.tuxcare.els6",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1784813597",
"aliases": [
"CLSA-2026-1784813597"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "239-45.el8_4.3.tuxcare.els6"
}
]
}
],
"package": {
"name": "systemd",
"purl": "pkg:rpm/tuxcare/systemd?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "239-45.el8_4.3.tuxcare.els6"
}
]
}
],
"package": {
"name": "systemd-container",
"purl": "pkg:rpm/tuxcare/systemd-container?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
},
{
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{
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]
}
],
"package": {
"name": "systemd-devel",
"purl": "pkg:rpm/tuxcare/systemd-devel?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
},
{
"ranges": [
{
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{
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}
]
}
],
"package": {
"name": "systemd-journal-remote",
"purl": "pkg:rpm/tuxcare/systemd-journal-remote?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
},
{
"ranges": [
{
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"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "systemd-libs",
"purl": "pkg:rpm/tuxcare/systemd-libs?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "239-45.el8_4.3.tuxcare.els6"
}
]
}
],
"package": {
"name": "systemd-pam",
"purl": "pkg:rpm/tuxcare/systemd-pam?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
},
{
"fixed": "239-45.el8_4.3.tuxcare.els6"
}
]
}
],
"package": {
"name": "systemd-tests",
"purl": "pkg:rpm/tuxcare/systemd-tests?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "systemd-udev",
"purl": "pkg:rpm/tuxcare/systemd-udev?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1784813597.json"
}
}
],
"modified": "2026-10-26T09:31:50.414388723Z",
"provider": "osv",
"upstream": [
"CVE-2026-29111"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.4els/CLSA-2026-1784813597.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-29111"
]
},
"related_cves": [
{
"value": "CVE-2026-29111",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448642,
"published_at": "2026-07-23T13:33:43+00:00"
}