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CVE-2025-71192

kernel: Kernel: Memory corruption via double free in ALSA AC97 controller

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · February 4, 2026

Updated · August 14, 2026

Description

A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) AC97 controller. A double free vulnerability exists in the snd_ac97_controller_register() function when ac97_add_adapter() fails. A local attacker could exploit this flaw, leading to memory corruption and potentially a denial of service or privilege escalation.

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 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-1341 · Multiple Releases of Same Resource or Handle