SUSE-SU-2026:4717-1: important: Security update for the Linux Kernel (Live Patch 76 for SUSE Linux Enterprise 12 SP5)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 76 for SUSE Linux Enterprise
12 SP5)

Announcement ID: SUSE-SU-2026:4717-1  
Release Date: 2026-10-18T11:04:10Z  
Rating: important  
References:

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

  
Cross-References:

  * CVE-2026-53131
  * CVE-2026-63794
  * 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-2026-63887 ( 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:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Live Patching 12-SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.290 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-2026-63887: 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 12-SP5  
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-4717 SUSE-SLE-Live-
Patching-12-SP5-2026-4716

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_290-default-15-2.1
    * kgraft-patch-4_12_14-122_283-default-15-2.1

## 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-2026-63887.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=1272386
  * https://bugzilla.suse.com/show_bug.cgi?id=1276303

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20261019/74fc0d4c/attachment.htm>