---
id: CVE-2026-80884
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ntb: Store original DMA address for future release

  The DMA API requires that dma_free_attrs receive the exact dma_handle
  originally returned by the allocation function…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ntb: Store original DMA address for future release

  The DMA API requires that dma_free_attrs receive the exact dma_handle
  originally returned by the allocation function…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= fc5d1829f9bf3d8275322727c0e9a8baf268b7c6 <
    0f035333e19944f8ea7a423681f161eb1b2db21c
  - >-
    Linux >= fc5d1829f9bf3d8275322727c0e9a8baf268b7c6 <
    10662aafce4acd52278c942d0a5b3993594017b9
  - >-
    Linux >= fc5d1829f9bf3d8275322727c0e9a8baf268b7c6 <
    da6d997ac556479c112554ab5d95cbd04683eb11
  - Linux 4.20
published: '2026-09-04'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T11:17:52.530'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-80884'
references:
  - url: 'https://git.kernel.org/stable/c/0f035333e19944f8ea7a423681f161eb1b2db21c'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/10662aafce4acd52278c942d0a5b3993594017b9'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/da6d997ac556479c112554ab5d95cbd04683eb11'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
epss: 0.00198
epssPercentile: 0.08905
ingestedAt: '2026-10-15T11:00:41.660Z'
---

## Overview

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

ntb: Store original DMA address for future release

The DMA API requires that dma_free_attrs receive the exact dma_handle
originally returned by the allocation function. Do not modify it.

## Remediation

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