CVE-2026-64060
Received Received - Intake

Memory Leak in Linux Kernel Netfs Subsystem

Publication date: 2026-07-19

Last updated on: 2026-07-19

Assigner: kernel.org

Description
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().

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Meta Information

Published
2026-07-19
Last Modified
2026-07-19
Generated
2026-07-20
AI Q&A
2026-07-19
EPSS Evaluated
N/A
NVD
CVE-2026-64060
EUVD
EUVD-2026-45633

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Linux kernel involves a memory leak in the netfs_write_begin() function. When an error occurs during file read operations, the function fails to properly release a reference to a request object, causing it to leak.

Detection Guidance

This vulnerability is specific to the Linux kernel's netfs subsystem and may not have direct network detection methods. Check kernel logs for errors related to netfs_write_begin() or request leaks using commands like dmesg | grep netfs or journalctl -k | grep netfs.

Impact Analysis

This vulnerability could lead to resource exhaustion over time as leaked request objects consume memory. This may cause system performance degradation or crashes in applications relying on the netfs subsystem.

Compliance Impact

This vulnerability does not directly affect compliance with standards like GDPR or HIPAA as it is a memory leak in the Linux kernel's netfs_write_begin() function. Compliance impacts would depend on specific implementations and whether the leak leads to data exposure or system instability.

Mitigation Strategies

Update the Linux kernel to the latest stable version that includes the fix for CVE-2026-64060. Monitor kernel logs for related errors and apply patches promptly if available.

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