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CVE-2026-72364

kernel: netfs: Fix writeback error handling

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 15, 2026

Updated · August 20, 2026

Description

A flaw was found in the netfs component of the Linux kernel. This vulnerability arises from improper error handling in the writeback_iter() loop. When an error occurs during writeback operations, the system fails to correctly clean up iteration states and manage memory folios. This can lead to resource mismanagement and potential system instability, affecting the reliability of network file system operations.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-772 · Missing Release of Resource after Effective Lifetime