SUSE-SU-2025:01792-1: important: Security update for dnsdist

SLE-SECURITY-UPDATES null at suse.de
Mon Jun 2 08:30:04 UTC 2025



# Security update for dnsdist

Announcement ID: SUSE-SU-2025:01792-1  
Release Date: 2025-06-02T07:38:54Z  
Rating: important  
References:

  * bsc#1243378

  
Cross-References:

  * CVE-2025-30193

  
CVSS scores:

  * CVE-2025-30193 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-30193 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-30193 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Enterprise Storage 7.1
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server 15 SP3 LTSS

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for dnsdist fixes the following issues:

  * CVE-2025-30193: stack exhaustion when processing too many queries on
    incoming TCP connections leads to a denial-of-service (bsc#1243378).

## 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 Enterprise Storage 7.1  
    zypper in -t patch SUSE-Storage-7.1-2025-1792=1

  * SUSE Linux Enterprise Server 15 SP3 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-1792=1

## Package List:

  * SUSE Enterprise Storage 7.1 (aarch64 x86_64)
    * dnsdist-1.8.0-150100.3.8.1
    * dnsdist-debugsource-1.8.0-150100.3.8.1
    * dnsdist-debuginfo-1.8.0-150100.3.8.1
  * SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 x86_64)
    * dnsdist-1.8.0-150100.3.8.1
    * dnsdist-debugsource-1.8.0-150100.3.8.1
    * dnsdist-debuginfo-1.8.0-150100.3.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-30193.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1243378

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