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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libfdiskUpgrade libuuidUpgrade libuuid-develUpgrade libblkid-develUpgrade uuiddUpgrade python3-libmountUpgrade libfdisk-develUpgrade libmount-develUpgrade libblkidUpgrade libsmartcols-develUpgrade util-linuxUpgrade libsmartcolsUpgrade libmountUpgrade util-linux-userUpgrade util-linux-core | Feb 11, 2026 | Feb 3, 2026 |
| Alpine Linux | — | Upgrade util-linux | Sep 7, 2026 | Dec 5, 2025 |
| Debian | — | Upgrade util-linux | Aug 16, 2026 | Aug 16, 2026 |
| Huawei Euleros 2_0_sp10 | — | Upgrade libsmartcolsUpgrade libblkidUpgrade libuuidUpgrade libmountUpgrade util-linuxUpgrade util-linux-userUpgrade libfdisk | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp11 | — | Upgrade libmountUpgrade util-linuxUpgrade util-linux-userUpgrade libuuidUpgrade libblkidUpgrade libfdiskUpgrade libsmartcols | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade libfdiskUpgrade libsmartcolsUpgrade libblkidUpgrade libmountUpgrade libuuidUpgrade util-linux-userUpgrade util-linux | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade util-linuxUpgrade libfdiskUpgrade libuuidUpgrade libblkidUpgrade util-linux-userUpgrade libmountUpgrade libsmartcols | Mar 10, 2026 | Mar 10, 2026 |
| Nutanix Ahv | — | Upgrade Nutanix AHV to the latest version | Jun 5, 2026 | Apr 8, 2026 |
| Oracle_linux | — | Upgrade uuiddUpgrade libuuid-develUpgrade libfdiskUpgrade libblkid-develUpgrade python3-libmountUpgrade util-linux-userUpgrade util-linuxUpgrade libsmartcolsUpgrade libsmartcols-develUpgrade util-linux-coreUpgrade libblkidUpgrade libmountUpgrade libfdisk-develUpgrade libuuidUpgrade libmount-devel | Feb 3, 2026 | Dec 5, 2025 |
| Redhat_linux | — | Upgrade libfdisk-develUpgrade util-linux-debugsourceUpgrade libmount-develUpgrade libuuidUpgrade libfdisk-debuginfoUpgrade uuiddUpgrade libblkid-debuginfoUpgrade libblkid-develUpgrade python3-libmountUpgrade uuidd-debuginfoUpgrade python3-libmount-debuginfoUpgrade libblkidUpgrade libfdiskUpgrade libuuid-debuginfoUpgrade util-linux-core-debuginfoUpgrade util-linux-userUpgrade libsmartcolsUpgrade libmount-debuginfoUpgrade util-linuxNo solution existsUpgrade util-linux-coreUpgrade libuuid-develUpgrade libsmartcols-debuginfoUpgrade libsmartcols-develUpgrade util-linux-user-debuginfoUpgrade libmountUpgrade util-linux-debuginfo | Feb 3, 2026 | Dec 5, 2025 |
| Rocky_linux | — | Upgrade libmountUpgrade libuuid-debuginfoUpgrade libuuid-develUpgrade libfdisk-debuginfoUpgrade libblkidUpgrade libsmartcolsUpgrade util-linux-user-debuginfoUpgrade libfdiskUpgrade libsmartcols-debuginfoUpgrade libmount-debuginfoUpgrade libsmartcols-develUpgrade util-linux-debugsourceUpgrade libuuidUpgrade uuidd-debuginfoUpgrade uuiddUpgrade libmount-develUpgrade util-linuxUpgrade libblkid-debuginfoUpgrade util-linux-debuginfoUpgrade util-linux-core-debuginfoUpgrade libblkid-develUpgrade python3-libmount-debuginfoUpgrade libfdisk-develUpgrade python3-libmountUpgrade util-linux-userUpgrade util-linux-core | Feb 9, 2026 | Feb 5, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 5, 2025 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub