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SUSE Linux Micro 6.0 Essential Kernel Update Security Patches 20382-2026

suse
Calendar Grey February 17, 2026
Dist Suse Esm H88
Update addresses critical kernel vulnerabilities for SUSE Linux Micro. Immediate installation recommended for security.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise kernel 6.4.0-34.1 fixes various security issues The following security issues were fixed: * CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787). * CVE-2025-39682: tls: fix handling of zero-length records on the rx_list (bsc#1250192). * CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437). ## 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-247=1 ## Package List: * SUSE Linux Micro 6.1 (s390x x86_64) * kernel-livepatch-6_4_0-34-default-4-1.1

Topics%20covered

Topics Covered

security advisory buffer overflow important malicious code information disclosure SUSE Linux Micro

References

* bsc#1250192

* bsc#1251787

* bsc#1253437

Cross-

* CVE-2023-53676

* CVE-2025-39682

* CVE-2025-40204

CVSS scores:

* CVE-2023-53676 ( SUSE ): 8.5

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

* CVE-2023-53676 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-53676 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-39682 ( SUSE ): 7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

* CVE-2025-39682 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

* CVE-2025-40204 ( SUSE ): 8.7

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

* CVE-2025-40204 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:

* SUSE Linux Micro 6.1

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20382-1
Release Date: 2026-01-19T15:31:55Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important malicious code information disclosure SUSE Linux Micro

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