---
id: CVE-2026-64060
title: 'netfs: Fix leak of request in netfs_write_begin() error handling'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  netfs: Fix leak of request in netfs_write_begin() error handling

  Fix netfs_write_begin() to not leak our ref on the request in the event
  that we get an error from netf…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f <
    9192f304379187b396d56d6a1a406712c6bfa5a3
  - >-
    Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f <
    22ae28aae43623be235ff455558cdd13fbe2daeb
  - >-
    Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f <
    28686d6d8b60dc5bbae9ef6023ab2051d6c66cdf
  - >-
    Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f <
    5046a34f0643441f05b0253ea64e1a3af87efe14
  - Linux 5.18
published: '2026-07-19'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T12:42:59.144Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-64060'
references:
  - url: 'https://git.kernel.org/stable/c/9192f304379187b396d56d6a1a406712c6bfa5a3'
  - url: 'https://git.kernel.org/stable/c/22ae28aae43623be235ff455558cdd13fbe2daeb'
  - url: 'https://git.kernel.org/stable/c/28686d6d8b60dc5bbae9ef6023ab2051d6c66cdf'
  - url: 'https://git.kernel.org/stable/c/5046a34f0643441f05b0253ea64e1a3af87efe14'
tags:
  - cve.org
epss: 0.0016
epssPercentile: 0.04764
ingestedAt: '2026-10-21T12:48:53.611Z'
---

## Overview

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

netfs: Fix leak of request in netfs_write_begin() error handling

Fix netfs_write_begin() to not leak our ref on the request in the event
that we get an error from netfs_wait_for_read().

## Affected

- `Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f < 9192f304379187b396d56d6a1a406712c6bfa5a3`
- `Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f < 22ae28aae43623be235ff455558cdd13fbe2daeb`
- `Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f < 28686d6d8b60dc5bbae9ef6023ab2051d6c66cdf`
- `Linux >= 4090b31422a6f24dfe701e31ffec7ba5804a7e2f < 5046a34f0643441f05b0253ea64e1a3af87efe14`
- `Linux 5.18`

## Remediation

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