Security update for dhcp

Announcement ID:	SUSE-SU-2022:3991-1
Rating:	moderate
References:	bsc#1203988 bsc#1203989
Cross-References:	CVE-2022-2928 CVE-2022-2929
CVSS scores:	CVE-2022-2928 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2022-2928 ( NVD ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2022-2929 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2022-2929 ( NVD ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	Basesystem Module 15-SP3 Basesystem Module 15-SP4 openSUSE Leap 15.4 Server Applications Module 15-SP3 Server Applications Module 15-SP4 SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Real Time 15 SP3 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP3 Business Critical Linux 15-SP3 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Manager Proxy 4.2 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.2 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.2 SUSE Manager Server 4.3

An update that solves two vulnerabilities can now be installed.

Description:

This update for dhcp fixes the following issues:

• CVE-2022-2928: Fixed an option refcount overflow (bsc#1203988).
• CVE-2022-2929: Fixed a DHCP memory leak (bsc#1203989).

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:

• openSUSE Leap 15.4
  zypper in -t patch openSUSE-SLE-15.4-2022-3991=1
• Basesystem Module 15-SP3
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-3991=1
• Basesystem Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-3991=1
• Server Applications Module 15-SP3
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-3991=1
• Server Applications Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2022-3991=1

Package List:

• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
  • dhcp-client-4.3.6.P1-150000.6.17.1
  • dhcp-devel-4.3.6.P1-150000.6.17.1
  • dhcp-relay-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-server-4.3.6.P1-150000.6.17.1
  • dhcp-debugsource-4.3.6.P1-150000.6.17.1
  • dhcp-client-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-4.3.6.P1-150000.6.17.1
  • dhcp-doc-4.3.6.P1-150000.6.17.1
  • dhcp-server-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-relay-4.3.6.P1-150000.6.17.1
• Basesystem Module 15-SP3 (aarch64 ppc64le s390x x86_64)
  • dhcp-client-4.3.6.P1-150000.6.17.1
  • dhcp-devel-4.3.6.P1-150000.6.17.1
  • dhcp-debugsource-4.3.6.P1-150000.6.17.1
  • dhcp-client-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-4.3.6.P1-150000.6.17.1
• Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64)
  • dhcp-client-4.3.6.P1-150000.6.17.1
  • dhcp-devel-4.3.6.P1-150000.6.17.1
  • dhcp-debugsource-4.3.6.P1-150000.6.17.1
  • dhcp-client-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-4.3.6.P1-150000.6.17.1
• Server Applications Module 15-SP3 (aarch64 ppc64le s390x x86_64)
  • dhcp-relay-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-server-4.3.6.P1-150000.6.17.1
  • dhcp-debugsource-4.3.6.P1-150000.6.17.1
  • dhcp-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-server-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-relay-4.3.6.P1-150000.6.17.1
• Server Applications Module 15-SP4 (aarch64 ppc64le s390x x86_64)
  • dhcp-relay-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-server-4.3.6.P1-150000.6.17.1
  • dhcp-debugsource-4.3.6.P1-150000.6.17.1
  • dhcp-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-server-debuginfo-4.3.6.P1-150000.6.17.1
  • dhcp-relay-4.3.6.P1-150000.6.17.1

References:

• https://www.suse.com/security/cve/CVE-2022-2928.html
• https://www.suse.com/security/cve/CVE-2022-2929.html
• https://bugzilla.suse.com/show_bug.cgi?id=1203988
• https://bugzilla.suse.com/show_bug.cgi?id=1203989