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SUSE: 2025:01745-1 important: dnsdist denial of service fix

suse
Calendar Grey May 29, 2025
Dist Suse Esm H88
Essential dnsdist patch resolves stack overflow vulnerabilities causing potential denial of service. Protect your infrastructure immediately!
* bsc#1243378 Cross-References: * CVE-2025-30193

Summary

## 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 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

Topics%20covered

Topics Covered

security advisory denial of service software update important SUSE dnsdist

References

* bsc#1243378

Cross-

* 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:

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:01745-1
Release Date: 2025-05-29T12:22:10Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service software update important SUSE dnsdist

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