Security update for dnsdist

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