Security update for dnsmasq

Announcement ID:	SUSE-SU-2025:0130-1
Release Date:	2025-01-15T13:26:55Z
Rating:	important
References:	bsc#1200344 bsc#1207174 bsc#1214884 bsc#1219823 bsc#1219826 bsc#1235517
Cross-References:	CVE-2023-50387 CVE-2023-50868
CVSS scores:	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:	SUSE Enterprise Storage 7.1 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro for Rancher 5.2 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP3 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP3

An update that solves two vulnerabilities and has four security fixes can now be installed.

Description:

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)

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 Linux Enterprise High Performance Computing LTSS 15 SP3
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-130=1
• SUSE Linux Enterprise Server 15 SP3 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-130=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-130=1
• SUSE Enterprise Storage 7.1
  zypper in -t patch SUSE-Storage-7.1-2025-130=1
• SUSE Linux Enterprise Micro 5.1
  zypper in -t patch SUSE-SUSE-MicroOS-5.1-2025-130=1
• SUSE Linux Enterprise Micro 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-130=1
• SUSE Linux Enterprise Micro for Rancher 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-130=1

Package List:

• SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64 x86_64)
  • dnsmasq-debugsource-2.90-150100.7.28.1
  • dnsmasq-2.90-150100.7.28.1
  • dnsmasq-debuginfo-2.90-150100.7.28.1
• SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 ppc64le s390x x86_64)
  • dnsmasq-debugsource-2.90-150100.7.28.1
  • dnsmasq-2.90-150100.7.28.1
  • dnsmasq-debuginfo-2.90-150100.7.28.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64)
  • dnsmasq-debugsource-2.90-150100.7.28.1
  • dnsmasq-2.90-150100.7.28.1
  • dnsmasq-debuginfo-2.90-150100.7.28.1
• SUSE Enterprise Storage 7.1 (aarch64 x86_64)
  • dnsmasq-debugsource-2.90-150100.7.28.1
  • dnsmasq-2.90-150100.7.28.1
  • dnsmasq-debuginfo-2.90-150100.7.28.1
• SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
  • dnsmasq-debugsource-2.90-150100.7.28.1
  • dnsmasq-2.90-150100.7.28.1
  • dnsmasq-debuginfo-2.90-150100.7.28.1
• SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
  • dnsmasq-debugsource-2.90-150100.7.28.1
  • dnsmasq-2.90-150100.7.28.1
  • dnsmasq-debuginfo-2.90-150100.7.28.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
  • dnsmasq-debugsource-2.90-150100.7.28.1
  • dnsmasq-2.90-150100.7.28.1
  • dnsmasq-debuginfo-2.90-150100.7.28.1

References:

• https://www.suse.com/security/cve/CVE-2023-50387.html
• https://www.suse.com/security/cve/CVE-2023-50868.html
• https://bugzilla.suse.com/show_bug.cgi?id=1200344
• https://bugzilla.suse.com/show_bug.cgi?id=1207174
• https://bugzilla.suse.com/show_bug.cgi?id=1214884
• https://bugzilla.suse.com/show_bug.cgi?id=1219823
• https://bugzilla.suse.com/show_bug.cgi?id=1219826
• https://bugzilla.suse.com/show_bug.cgi?id=1235517