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SUSE Linux Enterprise 2021-1494-2 Important: Avahi Denial of Service

suse
Calendar Grey June 3, 2021
Scroller Suse
Patch available for NetworkManager addresses significant vulnerabilities for Fedora users. Take immediate action to improve your defenses.
An update that fixes one vulnerability is now available

Summary

This update for avahi fixes the following issues: - CVE-2021-3468: avoid infinite loop by handling HUP event in client_work (bsc#1184521). Patch Instructions: To install this SUSE Security 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 OpenStack Cloud Crowbar 9: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1494=1 - SUSE OpenStack Cloud Crowbar 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1494=1 - SUSE OpenStack Cloud 9: zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1494=1 - SUSE OpenStack Cloud 8: zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1494=1 - SUSE Linux Enterprise Server for SAP 12-SP4: zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1494=1

Topics%20covered

Topics Covered

security advisory software update DoS important SUSE avahi OpenStack

References

#1184521

Cross- CVE-2021-3468

CVSS scores:

CVE-2021-3468 (SUSE): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

SUSE OpenStack Cloud Crowbar 9

SUSE OpenStack Cloud Crowbar 8

SUSE OpenStack Cloud 9

SUSE OpenStack Cloud 8

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE Linux Enterprise Server for SAP 12-SP3

SUSE Linux Enterprise Server 12-SP4-LTSS

SUSE Linux Enterprise Server 12-SP3-LTSS

SUSE Linux Enterprise Server 12-SP3-BCL

SUSE Linux Enterprise Server 12-SP2-BCL

HPE Helion Openstack 8

https://www.suse.com/security/cve/CVE-2021-3468.html

https://bugzilla.suse.com/1184521

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1494-2
Rating: important

Topics%20covered

Topics Covered

security advisory software update DoS important SUSE avahi OpenStack

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