SUSE-SU-2026:4224-1: important: Security update for the Linux Kernel (Live Patch 32 for SUSE Linux Enterprise 15 SP5)

SLE-SECURITY-UPDATES null at suse.de
Thu Sep 17 12:30:56 UTC 2026


# Security update for the Linux Kernel (Live Patch 32 for SUSE Linux Enterprise
15 SP5)

Announcement ID: SUSE-SU-2026:4224-1  
Release Date: 2026-09-17T05:34:16Z  
Rating: important  
References:

  * bsc#1267388
  * bsc#1273232
  * bsc#1274074
  * bsc#1274942
  * bsc#1275458

  
Cross-References:

  * CVE-2026-46150
  * CVE-2026-64423
  * CVE-2026-64561
  * CVE-2026-64564
  * CVE-2026-68138

  
CVSS scores:

  * CVE-2026-46150 ( SUSE ):  8.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-46150 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-46150 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-64423 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-64423 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-64561 ( SUSE ):  9.3
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-64561 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-64561 ( NVD ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-64564 ( 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-2026-64564 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-64564 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-68138 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-68138 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-68138 ( 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
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Live Patching 15-SP5
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.127 fixes
various security issues:

The following security issues were fixed:

  * CVE-2026-46150: fanotify: fix false positive on permission events
    (bsc#1267388).
  * CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device
    destruction (bsc#1275458).
  * CVE-2026-64561: KVM: x86: Check for invalid/obsolete root _after_ making MMU
    pages available (Zapscape) (bsc#1273232).
  * CVE-2026-64564: sctp: don't free the ASCONF's own transport in DEL-IP
    processing (SCTPhantom) (bsc#1274074).
  * CVE-2026-68138: net/sched: serialize qdisc_rtab_list against concurrent
    get/put (bsc#1274942).

## 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 Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-4224 SUSE-SLE-
Module-Live-Patching-15-SP4-2026-4220 SUSE-SLE-Module-Live-
Patching-15-SP4-2026-4221 SUSE-SLE-Module-Live-Patching-15-SP4-2026-4222 SUSE-
SLE-Module-Live-Patching-15-SP4-2026-4223 SUSE-SLE-Module-Live-
Patching-15-SP4-2026-4225 SUSE-SLE-Module-Live-Patching-15-SP4-2026-4226 SUSE-
SLE-Module-Live-Patching-15-SP4-2026-4227

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-4224 SUSE-2026-4220 SUSE-2026-4221 SUSE-2026-4222
SUSE-2026-4223 SUSE-2026-4225 SUSE-2026-4226 SUSE-2026-4227

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-4228 SUSE-SLE-
Module-Live-Patching-15-SP5-2026-4229

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-4228 SUSE-2026-4229

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_187-default-13-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_197-default-debuginfo-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_187-default-debuginfo-13-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_51-debugsource-8-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_194-default-debuginfo-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_214-default-debuginfo-6-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_47-debugsource-13-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_200-default-9-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_52-debugsource-7-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_49-debugsource-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_197-default-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_209-default-debuginfo-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_214-default-6-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_53-debugsource-6-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_219-default-debuginfo-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-8-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_54-debugsource-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_200-default-debuginfo-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_219-default-5-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_50-debugsource-9-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_48-debugsource-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-8-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_209-default-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_194-default-11-150400.2.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_187-default-13-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_197-default-debuginfo-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_187-default-debuginfo-13-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_51-debugsource-8-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_194-default-debuginfo-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_214-default-debuginfo-6-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_47-debugsource-13-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_200-default-9-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_52-debugsource-7-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_49-debugsource-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_197-default-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_209-default-debuginfo-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_214-default-6-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_53-debugsource-6-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_219-default-debuginfo-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-8-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_54-debugsource-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_200-default-debuginfo-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_219-default-5-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_50-debugsource-9-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_48-debugsource-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-8-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_209-default-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_194-default-11-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_32-debugsource-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-16-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_31-debugsource-16-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-debuginfo-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-debuginfo-16-150500.2.1
  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_32-debugsource-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-16-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_31-debugsource-16-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_127-default-debuginfo-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_124-default-debuginfo-16-150500.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-46150.html
  * https://www.suse.com/security/cve/CVE-2026-64423.html
  * https://www.suse.com/security/cve/CVE-2026-64561.html
  * https://www.suse.com/security/cve/CVE-2026-64564.html
  * https://www.suse.com/security/cve/CVE-2026-68138.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1267388
  * https://bugzilla.suse.com/show_bug.cgi?id=1273232
  * https://bugzilla.suse.com/show_bug.cgi?id=1274074
  * https://bugzilla.suse.com/show_bug.cgi?id=1274942
  * https://bugzilla.suse.com/show_bug.cgi?id=1275458

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