- Issued:
- 2026-02-04
- Updated:
- 2026-02-04
RHSA-2026:1913 - Moderate: util-linux security update
Synopsis
Moderate: util-linux security update
Type/Severity
Security Advisory Moderate
Topic
An update for util-linux is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.
Security Fix(es):
- util-linux: util-linux: Heap buffer overread in setpwnam() when processing 256-byte usernames (CVE-2025-14104)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 | 9 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian | 9 | ppc64le |
| Red Hat Enterprise Linux for IBM z Systems | 9 | s390x |
| Red Hat Enterprise Linux for ARM 64 | 9 | aarch64 |
| Red Hat CodeReady Linux Builder for x86_64 | 9 | x86_64 |
| Red Hat CodeReady Linux Builder for Power, little endian | 9 | ppc64le |
| Red Hat CodeReady Linux Builder for IBM z Systems | 9 | s390x |
| Red Hat CodeReady Linux Builder for ARM 64 | 9 | aarch64 |
Updated Packages
- python3-libmount-debuginfo-2.37.4-21.el9_7.s390x.rpm
- util-linux-2.37.4-21.el9_7.aarch64.rpm
- uuidd-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-core-debuginfo-2.37.4-21.el9_7.i686.rpm
- util-linux-core-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- util-linux-user-debuginfo-2.37.4-21.el9_7.i686.rpm
- util-linux-debuginfo-2.37.4-21.el9_7.s390x.rpm
- libblkid-2.37.4-21.el9_7.x86_64.rpm
- python3-libmount-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-user-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- util-linux-user-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- libuuid-devel-2.37.4-21.el9_7.x86_64.rpm
- python3-libmount-2.37.4-21.el9_7.x86_64.rpm
- util-linux-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-core-2.37.4-21.el9_7.aarch64.rpm
- libblkid-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- libfdisk-2.37.4-21.el9_7.i686.rpm
- util-linux-2.37.4-21.el9_7.x86_64.rpm
- libuuid-devel-2.37.4-21.el9_7.s390x.rpm
- libblkid-devel-2.37.4-21.el9_7.aarch64.rpm
- libfdisk-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- libsmartcols-devel-2.37.4-21.el9_7.aarch64.rpm
- util-linux-debugsource-2.37.4-21.el9_7.s390x.rpm
- libmount-2.37.4-21.el9_7.aarch64.rpm
- libuuid-debuginfo-2.37.4-21.el9_7.s390x.rpm
- util-linux-user-2.37.4-21.el9_7.aarch64.rpm
- python3-libmount-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- util-linux-debuginfo-2.37.4-21.el9_7.i686.rpm
- libblkid-2.37.4-21.el9_7.aarch64.rpm
- util-linux-core-2.37.4-21.el9_7.x86_64.rpm
- libblkid-2.37.4-21.el9_7.i686.rpm
- libsmartcols-2.37.4-21.el9_7.i686.rpm
- libmount-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- libuuid-debuginfo-2.37.4-21.el9_7.i686.rpm
- libblkid-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- libsmartcols-debuginfo-2.37.4-21.el9_7.s390x.rpm
- libsmartcols-debuginfo-2.37.4-21.el9_7.i686.rpm
- libuuid-2.37.4-21.el9_7.s390x.rpm
- libmount-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- libblkid-devel-2.37.4-21.el9_7.s390x.rpm
- libuuid-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- libuuid-devel-2.37.4-21.el9_7.i686.rpm
- libmount-debuginfo-2.37.4-21.el9_7.i686.rpm
- libuuid-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- libmount-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- libuuid-2.37.4-21.el9_7.i686.rpm
- libfdisk-devel-2.37.4-21.el9_7.aarch64.rpm
- libuuid-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- util-linux-core-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-user-2.37.4-21.el9_7.x86_64.rpm
- uuidd-2.37.4-21.el9_7.s390x.rpm
- libfdisk-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-2.37.4-21.el9_7.src.rpm
- libsmartcols-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- libuuid-devel-2.37.4-21.el9_7.ppc64le.rpm
- libmount-debuginfo-2.37.4-21.el9_7.s390x.rpm
- util-linux-debugsource-2.37.4-21.el9_7.x86_64.rpm
- libuuid-devel-2.37.4-21.el9_7.aarch64.rpm
- util-linux-debugsource-2.37.4-21.el9_7.ppc64le.rpm
- libfdisk-2.37.4-21.el9_7.x86_64.rpm
- util-linux-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- libblkid-devel-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-core-2.37.4-21.el9_7.s390x.rpm
- libsmartcols-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- libmount-2.37.4-21.el9_7.s390x.rpm
- libmount-devel-2.37.4-21.el9_7.i686.rpm
- libfdisk-2.37.4-21.el9_7.aarch64.rpm
- libmount-devel-2.37.4-21.el9_7.ppc64le.rpm
- libfdisk-debuginfo-2.37.4-21.el9_7.s390x.rpm
- libsmartcols-devel-2.37.4-21.el9_7.s390x.rpm
- util-linux-user-debuginfo-2.37.4-21.el9_7.s390x.rpm
- libblkid-debuginfo-2.37.4-21.el9_7.i686.rpm
- python3-libmount-2.37.4-21.el9_7.s390x.rpm
- libmount-devel-2.37.4-21.el9_7.s390x.rpm
- util-linux-core-debuginfo-2.37.4-21.el9_7.s390x.rpm
- libsmartcols-2.37.4-21.el9_7.ppc64le.rpm
- python3-libmount-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- uuidd-debuginfo-2.37.4-21.el9_7.s390x.rpm
- util-linux-user-2.37.4-21.el9_7.s390x.rpm
- python3-libmount-debuginfo-2.37.4-21.el9_7.i686.rpm
- libsmartcols-devel-2.37.4-21.el9_7.i686.rpm
- libuuid-2.37.4-21.el9_7.aarch64.rpm
- uuidd-debuginfo-2.37.4-21.el9_7.i686.rpm
- libfdisk-2.37.4-21.el9_7.s390x.rpm
- libuuid-2.37.4-21.el9_7.x86_64.rpm
- libsmartcols-2.37.4-21.el9_7.aarch64.rpm
- uuidd-2.37.4-21.el9_7.x86_64.rpm
- libblkid-debuginfo-2.37.4-21.el9_7.s390x.rpm
- libfdisk-devel-2.37.4-21.el9_7.ppc64le.rpm
- libfdisk-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- libblkid-devel-2.37.4-21.el9_7.i686.rpm
- python3-libmount-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- libblkid-2.37.4-21.el9_7.s390x.rpm
- libfdisk-debuginfo-2.37.4-21.el9_7.i686.rpm
- libmount-devel-2.37.4-21.el9_7.x86_64.rpm
- libsmartcols-2.37.4-21.el9_7.s390x.rpm
- libfdisk-devel-2.37.4-21.el9_7.s390x.rpm
- libfdisk-devel-2.37.4-21.el9_7.x86_64.rpm
- libmount-devel-2.37.4-21.el9_7.aarch64.rpm
- libsmartcols-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- libmount-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- libsmartcols-2.37.4-21.el9_7.x86_64.rpm
- libblkid-devel-2.37.4-21.el9_7.x86_64.rpm
- libuuid-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- util-linux-user-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- uuidd-2.37.4-21.el9_7.aarch64.rpm
- libsmartcols-devel-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-core-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- uuidd-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- util-linux-user-2.37.4-21.el9_7.ppc64le.rpm
- libsmartcols-devel-2.37.4-21.el9_7.x86_64.rpm
- util-linux-debugsource-2.37.4-21.el9_7.i686.rpm
- libfdisk-debuginfo-2.37.4-21.el9_7.ppc64le.rpm
- libblkid-debuginfo-2.37.4-21.el9_7.aarch64.rpm
- libfdisk-devel-2.37.4-21.el9_7.i686.rpm
- util-linux-debugsource-2.37.4-21.el9_7.aarch64.rpm
- uuidd-debuginfo-2.37.4-21.el9_7.x86_64.rpm
- libmount-2.37.4-21.el9_7.i686.rpm
- python3-libmount-2.37.4-21.el9_7.aarch64.rpm
- libblkid-2.37.4-21.el9_7.ppc64le.rpm
- libmount-2.37.4-21.el9_7.x86_64.rpm
- util-linux-2.37.4-21.el9_7.s390x.rpm
- uuidd-2.37.4-21.el9_7.ppc64le.rpm
- util-linux-core-2.37.4-21.el9_7.ppc64le.rpm
Fixes
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.