CVE-2026-64069
kernel: netfs: Fix cancellation of a DIO and single read subrequests
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 19, 2026
Updated · July 21, 2026
Description
A flaw was found in the Linux kernel's netfs component. When a direct I/O (DIO) or single read subrequest fails during preparation, the subrequest may not be properly cancelled. This can lead to resource leaks or unexpected behavior, potentially impacting system stability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime