ubuntu-cve-2026-53614
Vulnerability from osv_ubuntu
Published
2026-06-18 00:00
Modified
2026-08-31 19:57
Summary
Details
[Local Privilege Escalation via LIBMOUNT_FORCE_MOUNT2 Environment Variable - nosuid/noexec Bypass in SUID mount(8)]
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "bsdextrautils",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "bsdutils",
"binary_version": "1:2.39.3-9ubuntu6.6"
},
{
"binary_name": "eject",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "fdisk",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "libblkid1",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "libfdisk1",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "libmount1",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "libsmartcols1",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "libuuid1",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "mount",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "rfkill",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "util-linux",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "util-linux-extra",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "util-linux-locales",
"binary_version": "2.39.3-9ubuntu6.6"
},
{
"binary_name": "uuid-runtime",
"binary_version": "2.39.3-9ubuntu6.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "util-linux",
"purl": "pkg:deb/ubuntu/util-linux@2.39.3-9ubuntu6.6?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.39.3-9ubuntu6.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.39.1-4ubuntu2",
"2.39.2-6ubuntu1",
"2.39.3-6ubuntu2",
"2.39.3-9ubuntu2",
"2.39.3-9ubuntu4",
"2.39.3-9ubuntu6",
"2.39.3-9ubuntu6.1",
"2.39.3-9ubuntu6.2",
"2.39.3-9ubuntu6.3",
"2.39.3-9ubuntu6.4",
"2.39.3-9ubuntu6.5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "bsdextrautils",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "bsdutils",
"binary_version": "1:2.41-4ubuntu4.2"
},
{
"binary_name": "eject",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "fdisk",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "lastlog2",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "libblkid1",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "libfdisk1",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "liblastlog2-2",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "libmount1",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "libpam-lastlog2",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "libsmartcols1",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "libuuid1",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "login",
"binary_version": "1:4.16.0-2+really2.41-4ubuntu4.2"
},
{
"binary_name": "mount",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "rfkill",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "util-linux",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "util-linux-extra",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "util-linux-locales",
"binary_version": "2.41-4ubuntu4.2"
},
{
"binary_name": "uuid-runtime",
"binary_version": "2.41-4ubuntu4.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "util-linux",
"purl": "pkg:deb/ubuntu/util-linux@2.41-4ubuntu4.2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.40.2-14ubuntu1",
"2.41-4ubuntu2",
"2.41-4ubuntu3",
"2.41-4ubuntu4",
"2.41-4ubuntu4.1",
"2.41-4ubuntu4.2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "bsdextrautils",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "bsdutils",
"binary_version": "1:2.41.3-3ubuntu2.2"
},
{
"binary_name": "eject",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "fdisk",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "lastlog2",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "libblkid1",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "libfdisk1",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "liblastlog2-2",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "libmount1",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "libpam-lastlog2",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "libsmartcols1",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "libuuid1",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "login",
"binary_version": "1:4.16.0-2+really2.41.3-3ubuntu2.2"
},
{
"binary_name": "mount",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "rfkill",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "util-linux",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "util-linux-extra",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "util-linux-locales",
"binary_version": "2.41.3-3ubuntu2.2"
},
{
"binary_name": "uuid-runtime",
"binary_version": "2.41.3-3ubuntu2.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "util-linux",
"purl": "pkg:deb/ubuntu/util-linux@2.41.3-3ubuntu2.2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.41.3-3ubuntu2.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.41-4ubuntu4",
"2.41.2-4ubuntu1",
"2.41.2-4ubuntu2",
"2.41.2-4ubuntu3",
"2.41.3-3ubuntu1",
"2.41.3-3ubuntu2"
]
}
],
"aliases": [],
"details": "[Local Privilege Escalation via LIBMOUNT_FORCE_MOUNT2 Environment Variable - nosuid/noexec Bypass in SUID mount(8)]",
"id": "UBUNTU-CVE-2026-53614",
"modified": "2026-08-31T19:57:49Z",
"published": "2026-06-18T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-53614"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53614"
},
{
"type": "REPORT",
"url": "https://github.com/util-linux/util-linux/security/advisories/GHSA-67r7-8m5w-22wx"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8702-1"
}
],
"related": [
"USN-8702-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-53614"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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