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SUSE: 2022:1289-1 Important: dnsmasq Denial Of Service Issue

suse
Calendar Grey April 21, 2022
Dist Suse Esm H88
Important patch addresses two vulnerabilities in dnsmasq impacting a range of SUSE offerings. See enclosed guidance for installation procedures.
An update that fixes two vulnerabilities is now available

Summary

This update for dnsmasq fixes the following issues: - CVE-2021-3448: Fixed a potential DNS cache poisoning issue due to a constant outgoing port being used when for certain use cases of the --server option (bsc#1183709). - CVE-2022-0934: Fixed an invalid memory access that could lead to remote denial of service via crafted packet (bsc#1197872). 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-9-2022-1289=1 - SUSE OpenStack Cloud Crowbar 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2022-1289=1 - SUSE OpenStack Cloud 9:

Topics%20covered

Topics Covered

security advisory denial of service important SUSE Linux dnsmasq

References

#1183709 #1197872

Cross- CVE-2021-3448 CVE-2022-0934

CVSS scores:

CVE-2021-3448 (NVD) : 4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

CVE-2021-3448 (SUSE): 4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

CVE-2022-0934 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected Products:

HPE Helion Openstack 8

SUSE Linux Enterprise Server 12-SP2-BCL

SUSE Linux Enterprise Server 12-SP3-BCL

SUSE Linux Enterprise Server 12-SP3-LTSS

SUSE Linux Enterprise Server 12-SP4-LTSS

SUSE Linux Enterprise Server 12-SP5

SUSE Linux Enterprise Server for SAP 12-SP3

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE OpenStack Cloud 8

SUSE OpenStack Cloud 9

SUSE OpenStack Cloud Crowbar 8

SUSE OpenStack Cloud Cr...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2022:1289-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service important SUSE Linux dnsmasq

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