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SUSE: 2025:02016-1 moderate: fix for screen TTY hijacking issue

* bsc#1242269 Cross-References: * CVE-2025-46802 . # Security update for screen Announcement ID: SUSE-SU-2025:02016-1 Release Date: 2025-06-19T07:14:49Z Rating: moderate References: * bsc#1242269 Cross-References: * CVE-2025-46802 CVSS scores: * CVE-2025-46802 ( SUSE ): 5.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N * CVE-2025-46802 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N * CVE-2025-46802 ( NVD ): 5.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X * CVE-2025-46802 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N Affected Products: * Basesystem Module 15-SP6 * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 An update that solves one vulnerability can now be installed. ## Description: This update for screen fixes the following issues: Security issues fixed: * CVE-2025-46802: temporary `chmod` of a user's TTY to mode 0666 when attempting to attach to a multi-user session allows for TTY hijacking (bsc#1242269). Other issues fixed: * Use TTY file descriptor passing after a suspend (`MSG_CONT`). * Fix resume after suspend in multi-user mode. ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively youcan run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch openSUSE-SLE-15.6-2025-2016=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2025-2016=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2025-2016=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2025-2016=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2025-2016=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2025-2016=1 * Basesystem Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-2016=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2025-2016=1 ## Package List: * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64) * screen-4.6.2-150000.5.8.1 * screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64) * screen-4.6.2-150000.5.8.1 * screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64) * screen-4.6.2-150000.5.8.1 * screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64) * screen-4.6.2-150000.5.8.1 * screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64) * screen-4.6.2-150000.5.8.1 * screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64) * screen-4.6.2-150000.5.8.1 * screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 * Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64) * screen-4.6.2-150000.5.8.1 *screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) * screen-4.6.2-150000.5.8.1 * screen-debuginfo-4.6.2-150000.5.8.1 * screen-debugsource-4.6.2-150000.5.8.1 ## References: * https://www.suse.com/security/cve/CVE-2025-46802.html * https://bugzilla.suse.com/show_bug.cgi?id=1242269 . Critical patch released for SUSE fixes potential TTY interception in screen tool. It is advisable to apply suggested updates for protection.. SUSE patch management, screen application, linux security update, security advisory, linux vulnerability. . Severity: Medium. LinuxSecurity.com Team

Jun 19, 2025 •Medium SuSE