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SUSE Micro 6.0 Update Addresses ipv6 Infinite Loop Issue CVE-2025-38588

suse
Calendar Grey February 17, 2026
Dist Suse Esm H88
Install important kernel update for SUSE Micro 6.0 to fix ipv6 infinite loop issue and enhance security.
An update that solves one vulnerability and has one fix can now be installed.

Summary

## This update for the SUSE Linux Enterprise kernel 6.4.0-31.1 fixes one security issue The following security issue was fixed: * CVE-2025-38588: ipv6: prevent infinite loop in rt6_nlmsg_size() (bsc#1249241). The following non security issue was fixed: * fix addr_bit_set() issue on big-endian machines (bsc#1256928). ## 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 Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-kernel-258=1 ## Package List: * SUSE Linux Micro 6.1 (s390x x86_64) * kernel-livepatch-6_4_0-31-default-11-1.2 * kernel-livepatch-MICRO-6-0_Update_9-debugsource-11-1.2

Topics%20covered

Topics Covered

security advisory important kernel infinite loop ipv6 SUSE Micro

References

* bsc#1249241

* bsc#1256928

Cross-

* CVE-2025-38588

CVSS scores:

* CVE-2025-38588 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-38588 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38588 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Micro 6.1

An update that solves one vulnerability and has one fix can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-38588.html

* https://bugzilla.suse.com/show_bug.cgi?id=1249241

* https://bugzilla.suse.com/show_bug.cgi?id=1256928

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20389-1
Release Date: 2026-01-29T10:37:57Z
Rating: important

Topics%20covered

Topics Covered

security advisory important kernel infinite loop ipv6 SUSE Micro

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