---
id: CVE-2026-98066
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ALSA: caiaq: Fix potential double-free at error path

  The fix for caiaq driver's resource management to handle the errors
  tries to release the resources in a common des…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ALSA: caiaq: Fix potential double-free at error path

  The fix for caiaq driver's resource management to handle the errors
  tries to release the resources in a common des…
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-1341
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= da938aa9fc7826901921dcea225948ab21a97e45 <
    ddfff1cec52b7deec6c770ba85de4dab6221d0a2
  - >-
    Linux >= 09616e25f502080ba684fc7fcf959d1376ab756d <
    da93fd9002d980bb02b729c5d5aeefeb252dd110
  - >-
    Linux >= b956e48371f2ff72b76be9a829800ecec963bd45 <
    b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056
  - >-
    Linux >= f537e3ad69609f6924a4db6b4a7f6561f5288bdd <
    75b20534d7a37e091db585f8b505a3b77b7e81a8
  - >-
    Linux >= 6251e3e256337a30160ef59ab1580dde4d1acd28 <
    2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8
  - >-
    Linux >= e59ecd4ee3a450db6cb4e4ecaa3efdd593f80056 <
    1dd715ca0568e4833ed5878f49b028b449941096
  - >-
    Linux >= 28abd224db4a49560b452115bca3672a20e45b2f <
    b629ae7b3eddc6812d5af3614b8c1bd76d65fa75
  - >-
    Linux >= 28abd224db4a49560b452115bca3672a20e45b2f <
    3b26ceef88c110f4d188387cffa0df78657be904
  - Linux 096dd8519cf2f768e9e14f224b627f7aaee1a9c5
  - Linux >= 5.10.258 < 5.10.271
  - Linux >= 5.15.209 < 5.15.222
  - Linux >= 6.1.175 < 6.1.189
  - Linux >= 6.6.140 < 6.6.158
  - Linux >= 6.12.86 < 6.12.111
  - Linux >= 6.18.27 < 6.18.53
  - Linux >= 7.0.4 < 7.1
  - Linux 7.1
published: '2026-09-25'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T11:18:27.397'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-98066'
references:
  - url: 'https://git.kernel.org/stable/c/1dd715ca0568e4833ed5878f49b028b449941096'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/3b26ceef88c110f4d188387cffa0df78657be904'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/75b20534d7a37e091db585f8b505a3b77b7e81a8'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b629ae7b3eddc6812d5af3614b8c1bd76d65fa75'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/da93fd9002d980bb02b729c5d5aeefeb252dd110'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/ddfff1cec52b7deec6c770ba85de4dab6221d0a2'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98066.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-98066'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2541139'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-98066'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-98066'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98066.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00177
epssPercentile: 0.07153
cvssSource: vendor
ingestedAt: '2026-09-25T11:06:38.841Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

ALSA: caiaq: Fix potential double-free at error path

The fix for caiaq driver's resource management to handle the errors
tries to release the resources in a common destructor call, but as a
sashiko review for another patch suggested, some of the audio
resources such as URBs have been already freed, and this may lead to a
double-free.

For addressing the double-free, call the common destructor function
from each place, and assure that the resource pointers get cleared.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98066.json)