---
id: CVE-2026-64066
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  netfs: Fix netfs_read_to_pagecache() to pause on subreq failure

  Fix netfs_read_to_pagecache() so that it pauses the generation of new
  subrequests if an already-issued …
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  netfs: Fix netfs_read_to_pagecache() to pause on subreq failure

  Fix netfs_read_to_pagecache() so that it pauses the generation of new
  subrequests if an already-issued …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-125
vendor: linux
product: linux_kernel
affected:
  - 'linux_kernel >= 6.12, < 6.18.34'
  - 'linux_kernel >= 6.19, < 7.0.11'
  - linux_kernel = 7.1
patched:
  - linux_kernel 7.0.11
published: '2026-07-19'
updated: '2026-09-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-64066'
references:
  - url: 'https://git.kernel.org/stable/c/0256e79ce42101ad036edd4205bccca621ea0927'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/884c4c4f35e577aba6a0593c80cbea9ca5e6e2b8'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8a8c0cfdf4658fc5b295b7fc87be56e0d76741f4'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00649
epssPercentile: 0.48878
ingestedAt: '2026-09-04T04:14:25.574Z'
---

## Overview

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

netfs: Fix netfs_read_to_pagecache() to pause on subreq failure

Fix netfs_read_to_pagecache() so that it pauses the generation of new
subrequests if an already-issued subrequest fails.

## Affected

- `linux_kernel >= 6.12, < 6.18.34`
- `linux_kernel >= 6.19, < 7.0.11`
- `linux_kernel = 7.1`

## Remediation

Upgrade past the affected range:

- `linux_kernel 7.0.11`