CVE-2026-99068

kernel: ALSA: ctxfi: Fix memory leakage when clearing DAO input mappers

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · October 23, 2026

Updated · October 26, 2026

Description

A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) ctxfi driver. When clearing Digital Audio Output (DAO) input mapping entries, the driver fails to properly free allocated memory. A local user could exploit this vulnerability by repeatedly triggering the operation, causing a memory leak that can lead to a Denial of Service (DoS) through system memory exhaustion.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-772 · Missing Release of Resource after Effective Lifetime