Public vulnerability disclosure
CVE-2025-14104
Util-linux: util-linux: heap buffer overread in setpwnam() when processing 256-byte usernames
publishedCWE-125
A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the `setpwnam()` function, affecting SUID (Set User ID) login-utils utilities writing to the password database.
Technical severity6.1 mediumCVSS 3.1 · CNA: redhat
Published2025-12-05Source updated 2026-11-05
Collected2026-11-052 attributed sources
Fixes and workarounds
Workaround
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Source: CNA: redhatAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| util-linux util-linux util-linux
https://github.com/util-linux/util-linux |
≥ 0; < 2.41.3 (affected, semver)
Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 10 Red Hat util-linux
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.40.2-15.el10_1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat util-linux
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.32.1-48.el8_10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat util-linux
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.37.4-21.el9_7; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1791459707; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1791459711; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1791459759; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1789029076; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/ |
≥ 1791966259; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Ceph Storage 7 Red Hat rhceph/rhceph-7-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1770632724; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Ceph Storage 8 Red Hat rhceph/rhceph-8-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1770630907; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Ceph Storage 9 Red Hat rhceph/rhceph-9-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1771816028; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Hardened Images Red Hat util-linux-main
https://catalog.redhat.com/software/containers/ |
≥ 2.42-7.1.hum1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Insights proxy 1.5 Red Hat insights-proxy/insights-proxy-container-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1770740405; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/installer-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1770646925; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/cds-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773670073; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/haproxy-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773672059; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/rhua-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773670137; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 6 Red Hat util-linux-ng
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 7 Red Hat util-linux
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4 Red Hat openshift/ose-rhel-coreos-8
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.1 medium |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H | CNA: redhat |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://access.redhat.com/errata/RHSA-2026:1696CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:1852CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:1913CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:2485CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:2563CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:2737CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:2800CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:3406CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4943CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:7180CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82347CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82354CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82372CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82857CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-14104CNA: redhat · vdb-entry, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2419369CNA: redhat · issue-tracking, x_refsource_REDHAT
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