SUSE Linux Enterprise 15 SP4 Kernel Important Macvlan Fix 2026-1231-1
suse
April 9, 2026
An update that solves one vulnerability can now be installed.
Summary
## This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.194 fixes one security issue The following security issue was fixed: * CVE-2026-23209: macvlan: fix error recovery in macvlan_common_newlink() (bsc#1258784). ## 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: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-1231=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-1231=1 ## Package List: * openSUSE Leap 15.4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_194-default-2-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_48-debugsource-2-150400.2.1
Topics Covered
References
* bsc#1258784
Cross-
* CVE-2026-23209
CVSS scores:
* CVE-2026-23209 ( 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-2026-23209 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-23209 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-23209 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* openSUSE Leap 15.4
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
An update that solves one vulnerability can now be installed.
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Severity
important
Lowest
Low
Medium
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Critical
Announcement ID: SUSE-SU-2026:1231-1
Release Date: 2026-04-09T09:04:40Z
Rating: important
Topics Covered
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