SUSE-SU-2026:24519-1: important: Security update for fuse-overlayfs

[SLE-SECURITY-UPDATES]

# Security update for fuse-overlayfs

Announcement ID: SUSE-SU-2026:24519-1  
Release Date: 2026-11-02T08:37:20Z  
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:

  * SUSE Linux Micro 6.2

  
  
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 Micro 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-2011

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * fuse-overlayfs-1.15-160000.4.1
    * fuse-overlayfs-debuginfo-1.15-160000.4.1
    * fuse-overlayfs-debugsource-1.15-160000.4.1

## References:

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

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