SUSE-SU-2026:5124-1: important: Security update for fuse-overlayfs

SLE-SECURITY-UPDATES null at suse.de
Fri Nov 6 08:44:33 UTC 2026 

# Security update for fuse-overlayfs

Announcement ID: SUSE-SU-2026:5124-1  
Release Date: 2026-11-05T18:15:00Z  
Rating: important  
References:

  * bsc#1286378

  
Cross-References:

  * CVE-2026-77478

  
CVSS scores:

  * CVE-2026-77478 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * Containers Module 15-SP7
  * SUSE Enterprise Storage 7.1
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for fuse-overlayfs fixes the following issue:

  * CVE-2026-77478: chmod on a hardlinked lower-layer file is silently dropped
    in the built image (bsc#1286378).

## 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 Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-5124

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-5124

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-5124

  * SUSE Enterprise Storage 7.1  
    zypper in -t patch SUSE-Storage-7.1-2026-5124

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-5124

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-5124

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-5124

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-5124

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-5124

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-5124

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-5124

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-5124

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-5124

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-5124

  * Containers Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-5124

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-5124

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-5124

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Enterprise Storage 7.1 (aarch64 x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * Containers Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * fuse-overlayfs-debugsource-1.1.2-150100.3.17.1
    * fuse-overlayfs-debuginfo-1.1.2-150100.3.17.1
    * fuse-overlayfs-1.1.2-150100.3.17.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-77478.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1286378

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20261106/92934093/attachment.htm>

More information about the sle-security-updates mailing list