SUSE-SU-2026:24022-1: important: Security update for the Linux Kernel (Live Patch 28 for SUSE Linux Enterprise Micro 6.0)

Thu Oct 8 16:44:57 UTC 2026

# Security update for the Linux Kernel (Live Patch 28 for SUSE Linux Enterprise
Micro 6.0)

Announcement ID: SUSE-SU-2026:24022-1  
Release Date: 2026-10-06T07:55:52Z  
Rating: important  
References:

  * bsc#1272391
  * bsc#1273003
  * bsc#1273012
  * bsc#1273052
  * bsc#1273833
  * bsc#1273837
  * bsc#1275228
  * bsc#1277409
  * bsc#1277506

Cross-References:

  * CVE-2026-63888
  * CVE-2026-63920
  * CVE-2026-63944
  * CVE-2026-64000
  * CVE-2026-64114
  * CVE-2026-64121
  * CVE-2026-68121
  * CVE-2026-74394
  * CVE-2026-74612

CVSS scores:

  * CVE-2026-63888 ( SUSE ):  6.1
    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-63888 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H
  * CVE-2026-63888 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-63920 ( SUSE ):  6.9
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-63920 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-63920 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-63944 ( SUSE ):  7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-63944 ( NVD ):  8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-64000 ( SUSE ):  7.1
    CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-64000 ( SUSE ):  7.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-64000 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-64114 ( 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-2026-64114 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-64114 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-64121 ( SUSE ):  6.9
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-64121 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-64121 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-68121 ( SUSE ):  7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
  * CVE-2026-68121 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-74394 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-74394 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-74394 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-74612 ( 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-2026-74612 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-74612 ( NVD ):  10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Products:

  * SUSE Linux Micro 6.1

An update that solves nine vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 6.4.0-51.1 fixes various
security issues:

The following security issues were fixed:

  * CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in
    iscsit_handle_text_cmd() (bsc#1272391).
  * CVE-2026-63920: ipv6: validate extension header length before copying to
    cmsg (bsc#1273012).
  * CVE-2026-63944: Bluetooth: hci_sync: fix UAF in hci_le_create_cis_sync
    (bsc#1273003).
  * CVE-2026-64000: net: hsr: fix potential OOB access in supervision frame
    handling (bsc#1273052).
  * CVE-2026-64114: ipv4: raw: reject IP_HDRINCL packets with ihl < 5
    (bsc#1273833).
  * CVE-2026-64121: net: ifb: report ethtool stats over num_tx_queues
    (bsc#1273837).
  * CVE-2026-68121: pppoe: reload header pointer after dev_hard_header()
    (bsc#1275228).
  * CVE-2026-74394: RDMA/srpt: fix integer overflow in immediate data length
    check (bsc#1277409).
  * CVE-2026-74612: veth: fix skb length accounting after XDP frag adjustment
    (bsc#1277506).

## 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-667

## Package List:

  * SUSE Linux Micro 6.1 (s390x x86_64)
    * kernel-livepatch-6_4_0-51-default-3-1.1
    * kernel-livepatch-6_4_0-51-default-debuginfo-3-1.1
    * kernel-livepatch-MICRO-6-0_Update_28-debugsource-3-1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-63888.html
  * https://www.suse.com/security/cve/CVE-2026-63920.html
  * https://www.suse.com/security/cve/CVE-2026-63944.html
  * https://www.suse.com/security/cve/CVE-2026-64000.html
  * https://www.suse.com/security/cve/CVE-2026-64114.html
  * https://www.suse.com/security/cve/CVE-2026-64121.html
  * https://www.suse.com/security/cve/CVE-2026-68121.html
  * https://www.suse.com/security/cve/CVE-2026-74394.html
  * https://www.suse.com/security/cve/CVE-2026-74612.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1272391
  * https://bugzilla.suse.com/show_bug.cgi?id=1273003
  * https://bugzilla.suse.com/show_bug.cgi?id=1273012
  * https://bugzilla.suse.com/show_bug.cgi?id=1273052
  * https://bugzilla.suse.com/show_bug.cgi?id=1273833
  * https://bugzilla.suse.com/show_bug.cgi?id=1273837
  * https://bugzilla.suse.com/show_bug.cgi?id=1275228
  * https://bugzilla.suse.com/show_bug.cgi?id=1277409
  * https://bugzilla.suse.com/show_bug.cgi?id=1277506

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