CVE-2026-64488

kernel: ALSA: aoa: check snd_ctl_new1() return value

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 25, 2026

Updated · July 30, 2026

Description

A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) 'aoa' component. This vulnerability arises when a specific function, snd_ctl_new1(), fails to allocate memory and returns an invalid pointer. The kernel then attempts to use this invalid pointer, which can cause the system to crash. This could allow a local attacker to trigger a Denial of Service (DoS) condition, making the system unavailable.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference