ESB-2026.3874

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3874 Security update for util-linux 17 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: util-linux Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-3184 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261406-1 Comment: CVSS (Max): 5.6 CVE-2026-3184 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L EPSS (Max): 0.1% (26th) CVE-2026-3184 2026-04-16 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for util-linux Announcement ID: SUSE-SU-2026:1406-1 Release Date: 2026-04-16T12:35:30Z Rating: moderate o bsc#1222465 References: o bsc#1234736 o bsc#1258859 Cross-References: o CVE-2026-3184 o CVE-2026-3184 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/ UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N o CVE-2026-3184 ( SUSE ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/ CVSS scores: S:U/C:L/I:L/A:L o CVE-2026-3184 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/ S:U/C:N/I:L/A:N o Basesystem Module 15-SP7 o Server Applications Module 15-SP7 Affected o SUSE Linux Enterprise Desktop 15 SP7 Products: o SUSE Linux Enterprise Real Time 15 SP7 o SUSE Linux Enterprise Server 15 SP7 o SUSE Linux Enterprise Server for SAP Applications 15 SP7 An update that solves one vulnerability and has two security fixes can now be installed. Description: This update for util-linux fixes the following issues: Security issue: o CVE-2026-3184: access control bypass due to improper hostname canonicalization in login (bsc#1258859). Non security issues: o recognize fuse "portal" as a virtual file system (bsc#1234736). o fdisk: fix possible partition overlay and data corruption if EBR gap is missing (bsc#1222465). Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1406=1 o Server Applications Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-1406=1 Package List: o Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) libblkid1-debuginfo-2.40.4-150700.4.10.1 libmount-devel-2.40.4-150700.4.10.1 libblkid1-2.40.4-150700.4.10.1 libmount1-2.40.4-150700.4.10.1 libuuid-devel-static-2.40.4-150700.4.10.1 libsmartcols1-debuginfo-2.40.4-150700.4.10.1 util-linux-debuginfo-2.40.4-150700.4.10.1 libuuid1-debuginfo-2.40.4-150700.4.10.1 util-linux-systemd-2.40.4-150700.4.10.1 libfdisk1-2.40.4-150700.4.10.1 libuuid1-2.40.4-150700.4.10.1 util-linux-systemd-debugsource-2.40.4-150700.4.10.1 util-linux-systemd-debuginfo-2.40.4-150700.4.10.1 util-linux-2.40.4-150700.4.10.1 libuuid-devel-2.40.4-150700.4.10.1 util-linux-debugsource-2.40.4-150700.4.10.1 libmount1-debuginfo-2.40.4-150700.4.10.1 util-linux-tty-tools-debuginfo-2.40.4-150700.4.10.1 libsmartcols1-2.40.4-150700.4.10.1 libblkid-devel-static-2.40.4-150700.4.10.1 util-linux-tty-tools-2.40.4-150700.4.10.1 libsmartcols-devel-2.40.4-150700.4.10.1 libblkid-devel-2.40.4-150700.4.10.1 libfdisk1-debuginfo-2.40.4-150700.4.10.1 libfdisk-devel-2.40.4-150700.4.10.1 o Basesystem Module 15-SP7 (noarch) util-linux-lang-2.40.4-150700.4.10.1 o Basesystem Module 15-SP7 (s390x) util-linux-extra-2.40.4-150700.4.10.1 util-linux-extra-debuginfo-2.40.4-150700.4.10.1 o Basesystem Module 15-SP7 (x86_64) libblkid1-32bit-2.40.4-150700.4.10.1 libmount1-32bit-debuginfo-2.40.4-150700.4.10.1 libuuid1-32bit-debuginfo-2.40.4-150700.4.10.1 libuuid1-32bit-2.40.4-150700.4.10.1 libmount1-32bit-2.40.4-150700.4.10.1 libblkid1-32bit-debuginfo-2.40.4-150700.4.10.1 o Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64) util-linux-systemd-debuginfo-2.40.4-150700.4.10.1 uuidd-2.40.4-150700.4.10.1 uuidd-debuginfo-2.40.4-150700.4.10.1 util-linux-systemd-debugsource-2.40.4-150700.4.10.1 References: o https://www.suse.com/security/cve/CVE-2026-3184.html o https://bugzilla.suse.com/show_bug.cgi?id=1222465 o https://bugzilla.suse.com/show_bug.cgi?id=1234736 o https://bugzilla.suse.com/show_bug.cgi?id=1258859 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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