SUSE-SU-2026:2885-1: moderate: Security update for alsa

[SLE-UPDATES]

# Security update for alsa

Announcement ID: SUSE-SU-2026:2885-1  
Release Date: 2026-07-13T10:02:46Z  
Rating: moderate  
References:

  * bsc#1268853

  
Cross-References:

  * CVE-2026-56109

  
CVSS scores:

  * CVE-2026-56109 ( SUSE ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-56109 ( NVD ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-56109 ( NVD ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for alsa fixes the following issue

  * CVE-2026-56109: crafted ALSA configuration text with nested blocks can cause
    a double-free and memory corruption (bsc#1268853).

## 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 Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2885=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2885=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-2885=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2885=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2885=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libasound2-1.2.6.1-150400.3.3.1
    * alsa-debugsource-1.2.6.1-150400.3.3.1
    * libasound2-debuginfo-1.2.6.1-150400.3.3.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libasound2-1.2.6.1-150400.3.3.1
    * alsa-debugsource-1.2.6.1-150400.3.3.1
    * libasound2-debuginfo-1.2.6.1-150400.3.3.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * alsa-debugsource-1.2.6.1-150400.3.3.1
    * libasound2-1.2.6.1-150400.3.3.1
    * libasound2-debuginfo-1.2.6.1-150400.3.3.1
    * alsa-1.2.6.1-150400.3.3.1
    * alsa-devel-1.2.6.1-150400.3.3.1
  * openSUSE Leap 15.4 (x86_64)
    * libasound2-32bit-debuginfo-1.2.6.1-150400.3.3.1
    * libatopology2-32bit-debuginfo-1.2.6.1-150400.3.3.1
    * alsa-topology-devel-32bit-1.2.6.1-150400.3.3.1
    * alsa-devel-32bit-1.2.6.1-150400.3.3.1
    * libatopology2-32bit-1.2.6.1-150400.3.3.1
    * libasound2-32bit-1.2.6.1-150400.3.3.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le x86_64)
    * libatopology2-debuginfo-1.2.6.1-150400.3.3.1
    * alsa-topology-devel-1.2.6.1-150400.3.3.1
    * libatopology2-1.2.6.1-150400.3.3.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libasound2-64bit-1.2.6.1-150400.3.3.1
    * libatopology2-64bit-1.2.6.1-150400.3.3.1
    * libatopology2-64bit-debuginfo-1.2.6.1-150400.3.3.1
    * alsa-devel-64bit-1.2.6.1-150400.3.3.1
    * alsa-topology-devel-64bit-1.2.6.1-150400.3.3.1
    * libasound2-64bit-debuginfo-1.2.6.1-150400.3.3.1
  * openSUSE Leap 15.4 (noarch)
    * alsa-docs-1.2.6.1-150400.3.3.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * alsa-debugsource-1.2.6.1-150400.3.3.1
    * libasound2-1.2.6.1-150400.3.3.1
    * libasound2-debuginfo-1.2.6.1-150400.3.3.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * alsa-debugsource-1.2.6.1-150400.3.3.1
    * libasound2-1.2.6.1-150400.3.3.1
    * libasound2-debuginfo-1.2.6.1-150400.3.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-56109.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268853

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