SUSE-SU-2026:4791-1: important: Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise 15 SP6)

SLE-SECURITY-UPDATES null at suse.de
Wed Oct 21 12:30:38 UTC 2026 

# Security update for the Linux Kernel (Live Patch 17 for SUSE Linux Enterprise
15 SP6)

Announcement ID: SUSE-SU-2026:4791-1  
Release Date: 2026-10-21T06:34:26Z  
Rating: important  
References:

  * bsc#1269775
  * bsc#1271965
  * bsc#1272136
  * bsc#1272386
  * bsc#1276303

  
Cross-References:

  * CVE-2026-53131
  * CVE-2026-63794
  * CVE-2026-63795
  * CVE-2026-63887
  * CVE-2026-68158

  
CVSS scores:

  * CVE-2026-53131 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-53131 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-53131 ( NVD ):  9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
  * CVE-2026-63794 ( SUSE ):  7.5
    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-63794 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-63794 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-63795 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-63795 ( NVD ):  10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-63887 ( SUSE ):  7.2
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-63887 ( SUSE ):  8.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
  * CVE-2026-63887 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-68158 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-68158 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-68158 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Live Patching 15-SP6
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.78 fixes
various security issues:

The following security issues were fixed:

  * CVE-2026-53131: netfilter: require Ethernet MAC header before using
    eth_hdr() (bsc#1269775).
  * CVE-2026-63794: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT
    path (bsc#1271965).
  * CVE-2026-63795: 9p: avoid putting oldfid in p9_client_walk() error path
    (bsc#1272136).
  * CVE-2026-63887: scsi: target: iscsi: Bound iscsi_encode_text_output()
    appends to rsp_buf (bsc#1272386).
  * CVE-2026-68158: libceph: Fix multiplication overflow in
    decode_new_up_state_weight() (bsc#1276303).

## 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-SP6  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-4790 SUSE-SLE-
Module-Live-Patching-15-SP6-2026-4791 SUSE-SLE-Module-Live-
Patching-15-SP6-2026-4782

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-4790 SUSE-2026-4791 SUSE-2026-4782

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP6_Update_17-debugsource-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_78-default-debuginfo-14-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_15-debugsource-19-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_70-default-debuginfo-19-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_16-debugsource-16-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_73-default-16-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_70-default-19-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_78-default-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_73-default-debuginfo-16-150600.2.1
  * openSUSE Leap 15.6 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP6_Update_17-debugsource-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_78-default-debuginfo-14-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_15-debugsource-19-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_70-default-debuginfo-19-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_16-debugsource-16-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_73-default-16-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_70-default-19-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_78-default-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_73-default-debuginfo-16-150600.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-53131.html
  * https://www.suse.com/security/cve/CVE-2026-63794.html
  * https://www.suse.com/security/cve/CVE-2026-63795.html
  * https://www.suse.com/security/cve/CVE-2026-63887.html
  * https://www.suse.com/security/cve/CVE-2026-68158.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1269775
  * https://bugzilla.suse.com/show_bug.cgi?id=1271965
  * https://bugzilla.suse.com/show_bug.cgi?id=1272136
  * https://bugzilla.suse.com/show_bug.cgi?id=1272386
  * https://bugzilla.suse.com/show_bug.cgi?id=1276303

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