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SUSE 2025:0071-1 important: dnsmasq Denial Of Service fixes

suse
Calendar Grey January 10, 2025
Dist Suse Esm H88
The 2025:0071-1 advisory from SUSE outlines crucial security enhancements for dnsmasq, tackling Denial of Service vulnerabilities. Discover more about these updates.
* bsc#1200344 * bsc#1207174 * bsc#1209358 * bsc#1214884 * bsc#1219823

Summary

## This update for dnsmasq fixes the following issues: * Version update to 2.90: * CVE-2023-50387: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219823) * CVE-2023-50868: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219826) * CVE-2023-28450: Default maximum EDNS.0 UDP packet size should be 1232. (bsc#1209358) ## 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: * Basesystem Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-71=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

Topics%20covered

Topics Covered

security advisory update DoS important SUSE network service dnsmasq

References

* bsc#1200344

* bsc#1207174

* bsc#1209358

* bsc#1214884

* bsc#1219823

* bsc#1219826

Cross-

* CVE-2023-28450

* CVE-2023-50387

* CVE-2023-50868

CVSS scores:

* CVE-2023-28450 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2023-28450 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-50387 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-50387 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-50868 ( SUSE ): 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

* openSUSE Leap Micro 5.5

* SUSE Linux Enterprise Desktop 15 SP4 LTSS

* SUSE Linux Enterprise Desktop 15 SP6

* SUSE Linux Enterprise High Performance Computing 15 SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:0071-1
Release Date: 2025-01-10T16:54:52Z
Rating: important

Topics%20covered

Topics Covered

security advisory update DoS important SUSE network service dnsmasq

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