---
id: CVE-2026-64020
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  nvme-pci: fix dma_vecs leak on p2p memory

  We don't unmap P2P memory, so we don't need to track it
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  nvme-pci: fix dma_vecs leak on p2p memory

  We don't unmap P2P memory, so we don't need to track it. The dma_vec
  allocation was getting leaked on the completion.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-401
vendor: linux
product: linux_kernel
affected:
  - 'linux_kernel >= 6.17, < 7.0.11'
  - linux_kernel = 7.1
patched:
  - linux_kernel 7.0.11
published: '2026-07-19'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T14:55:38.020'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-64020'
references:
  - url: 'https://git.kernel.org/stable/c/24ea0de233d9ebb5ebd6f6018eaf2084af25e3dd'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/85686c72966c5ee637893f124ddb31a1cace7bee'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00488
epssPercentile: 0.40274
ingestedAt: '2026-10-13T15:33:40.023Z'
---

## Overview

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

nvme-pci: fix dma_vecs leak on p2p memory

We don't unmap P2P memory, so we don't need to track it. The dma_vec
allocation was getting leaked on the completion.

## Affected

- `linux_kernel >= 6.17, < 7.0.11`
- `linux_kernel = 7.1`

## Remediation

Upgrade past the affected range:

- `linux_kernel 7.0.11`