CVE-2026-64066: netfs: Fix netfs_read_to_pagecache() to pause on subreq failure
Published Jul 19, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
netfs: Fix netfsreadtopagecache() to pause on subreq failure
Fix netfsreadtopagecache() so that it pauses the generation of new subrequests if an already-issued subrequest fails.
Affected Software
7 affected components
Linux Linux kernel
Linux Linux kernel>=6.12<6.18.34
Linux Linux kernel>=6.19<7.0.11
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
Linux Linux kernel=7.1-rc4
Remediation
Event History
Jul 19, 2026
CVE Published
via MITRE·03:39 PM
Data Sourced
via MITRE·03:39 PM
DescriptionSeverity
Data Sourced
via NVD·04:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What does an attacker need to exploit this issue?
The CVSS vector indicates network access, low attack complexity, no privileges, and no user interaction are required.
2
What impact is assigned if exploitation succeeds?
Confidentiality, integrity, and availability impacts are each rated High. The CVSS vector indicates the scope is unchanged.
3
Is a fix available?
Yes. A patch is available, with three referenced stable-kernel commits: 884c4c4f35e577aba6a0593c80cbea9ca5e6e2b8, 0256e79ce42101ad036edd4205bccca621ea0927, and 8a8c0cfdf4658fc5b295b7fc87be56e0d76741f4.