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SUSE Micro 6.0 Kernel Important Update CVE-2025-38588 2026-20276-1

suse
Calendar Grey February 13, 2026
Dist Suse Esm H88
Install the SUSE kernel security update fixing important issues including CVE-2025-38588 for Micro 6.0 version.
An update that solves one vulnerability and has one fix can now be installed.

Summary

## This update for the SUSE Linux Enterprise kernel 6.4.0-25.1 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 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-kernel-255=1 ## Package List: * SUSE Linux Micro 6.0 (s390x x86_64) * kernel-livepatch-6_4_0-25-default-14-1.2 * kernel-livepatch-MICRO-6-0_Update_5-debugsource-14-1.2

Topics%20covered

Topics Covered

security advisory SuSE important kernel infinite loop ipv6

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 6.0

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-2026:20276-1
Release Date: 2026-01-29T11:04:33Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important kernel infinite loop ipv6

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