In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_read_to_pagecache() to pause on subreq failure Fix… (CVE-2026-64066)
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.
AI Analysis
Technical Summary
The Linux kernel contained a vulnerability in the netfs_read_to_pagecache() function where it failed to pause the generation of new subrequests if a previously issued subrequest failed. This could lead to improper handling of subrequest failures within the netfs subsystem. The vulnerability has been addressed by modifying netfs_read_to_pagecache() to pause subrequest generation upon failure, improving the robustness of the kernel's network filesystem operations.
Potential Impact
The vulnerability could cause improper handling of subrequest failures in the Linux kernel's netfs subsystem, potentially leading to unexpected behavior or resource issues during network filesystem operations. No specific exploit or impact details are provided, and no known exploits are reported in the wild.
Mitigation Recommendations
A fix for this vulnerability has been implemented in the Linux kernel. Users should apply the official kernel updates that include this fix. Since no patch links or vendor advisory are provided, users should monitor official Linux kernel release notes and security advisories for the relevant update.
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_read_to_pagecache() to pause on subreq failure Fix… (CVE-2026-64066)
Description
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.
CVSS v3.1
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Linux kernel contained a vulnerability in the netfs_read_to_pagecache() function where it failed to pause the generation of new subrequests if a previously issued subrequest failed. This could lead to improper handling of subrequest failures within the netfs subsystem. The vulnerability has been addressed by modifying netfs_read_to_pagecache() to pause subrequest generation upon failure, improving the robustness of the kernel's network filesystem operations.
Potential Impact
The vulnerability could cause improper handling of subrequest failures in the Linux kernel's netfs subsystem, potentially leading to unexpected behavior or resource issues during network filesystem operations. No specific exploit or impact details are provided, and no known exploits are reported in the wild.
Mitigation Recommendations
A fix for this vulnerability has been implemented in the Linux kernel. Users should apply the official kernel updates that include this fix. Since no patch links or vendor advisory are provided, users should monitor official Linux kernel release notes and security advisories for the relevant update.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-m28h-7php-jrhg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64066"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5d27a92a4a8d598912c212
Added to database: 07/19/2026, 19:38:17 UTC
Last enriched: 07/19/2026, 19:51:45 UTC
Last updated: 07/20/2026, 19:41:22 UTC
Views: 12
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