SUSE-SU-2025:02186-1: moderate: Security update for screen

[SLE-SECURITY-UPDATES]

# Security update for screen

Announcement ID: SUSE-SU-2025:02186-1  
Release Date: 2025-07-01T11:48:02Z  
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:

  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
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`).

## 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:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2186=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * screen-4.0.4-23.9.1
    * screen-debuginfo-4.0.4-23.9.1
    * screen-debugsource-4.0.4-23.9.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-46802.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1242269

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