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CVE-2022-50460

kernel: kernel: Denial of Service due to xid leak in cifs_flock()

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · October 1, 2025

Updated · July 22, 2026

Description

A flaw was found in the Linux kernel. This vulnerability, a resource leak, occurs in the CIFS (Common Internet File System) component within the cifs_flock() function. A local user could exploit this by not using flock, which prevents the transaction identifier (xid) from being freed, leading to a resource leak. This can result in a Denial of Service (DoS) condition.

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