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SUSE alsa Moderate Memory Corruption Fix SUSE-SU-2026-3270-1

suse
Calendar Grey July 27, 2026
Scroller Suse
An essential update for alsa resolving CVE-2026-56109; ensures stability and security on SUSE systems. Stay secure!
SUSE has released an update addressing a moderate CVE-2026-56109 double-free vulnerability in alsa, which can cause memory corruption

Summary

## This update for alsa fixes the following issue * CVE-2026-56109: double-free vulnerability in parse_def() in src/conf.c that can allow attackers to corrupt memory (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: * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-3270=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3270=1 ## Package List: * openSUSE Leap 15.6 (aarch64 i586 ppc64le x86_64) * libatopology2-debuginfo-1.2.10-150600.4.3.1 * alsa-topology-devel-1.2.10-150600.4.3.1 * libatopology2-1.2.10-150600.4.3.1 * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)

Topics%20covered

Topics Covered

security advisory moderate memory corruption patch SuSE Linux ALSA

References

* bsc#1268853

Cross-

* 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:

* Basesystem Module 15-SP7

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-56109.html

Severity
medium
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2026:3270-1
Release Date: 2026-07-27T11:01:30Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate memory corruption patch SuSE Linux ALSA

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