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openSUSE Leap 15.x: 2025:01745-1 important: dnsdist Denial of Service

opensuse

May 29, 2025

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).

Topics Covered

security advisory denial of service important SUSE stack exhaustion dnsdist

Patch

## 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 Manager Proxy 4.3

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-2025-1745=1

* SUSE Manager Retail Branch Server 4.3

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-

Server-4.3-2025-1745=1

* SUSE Manager Server 4.3

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-2025-1745=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2025-1745=1

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2025-1745=1

* Basesystem Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-1745=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-1745=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-1745=1

* SUSE Linux...

Read the Full Advisory

Package List

* SUSE Manager Proxy 4.3 (x86_64)

* dnsdist-debuginfo-1.8.0-150400.9.6.1

* dnsdist-1.8.0-150400.9.6.1

* dnsdist-debugsource-1.8.0-150400.9.6.1

* SUSE Manager Retail Branch Server 4.3 (x86_64)

* dnsdist-debuginfo-1.8.0-150400.9.6.1

* dnsdist-1.8.0-150400.9.6.1

* dnsdist-debugsource-1.8.0-150400.9.6.1

* SUSE Manager Server 4.3 (x86_64)

* dnsdist-debuginfo-1.8.0-150400.9.6.1

* dnsdist-1.8.0-150400.9.6.1

* dnsdist-debugsource-1.8.0-150400.9.6.1

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* dnsdist-debuginfo-1.8.0-150400.9.6.1

* dnsdist-1.8.0-150400.9.6.1

* dnsdist-debugsource-1.8.0-150400.9.6.1

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* dnsdist-debuginfo-1.8.0-150400.9.6.1

* dnsdist-1.8.0-150400.9.6.1

* dnsdist-debugsource-1.8.0-150400.9.6.1

* Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)

* dnsdist-debuginfo-1.8.0-150400.9.6.1

* dnsdist-1.8.0-150400.9.6.1

* dnsdist-debugsource-1.8.0-150400.9.6.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

*...

Read the Full Advisory

References

* bsc#1243378

## References:

* https://www.suse.com/security/cve/CVE-2025-30193.html

* https://bugzilla.suse.com/show_bug.cgi?id=1243378

Severity

important

Lowest

Low

Medium

High

Critical

Announcement ID: SUSE-SU-2025:01745-1

Release Date: 2025-05-29T12:22:10Z

Affected Products: * Basesystem Module 15-SP6 * openSUSE Leap 15.4 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP6 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3

Topics Covered

security advisory denial of service important SUSE stack exhaustion dnsdist

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