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CVE-2022-50351

kernel: Kernel: Denial of Service in CIFS due to xid leak

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 16, 2025

Updated · July 22, 2026

Description

A flaw was found in the Linux kernel's Common Internet File System (CIFS) implementation. This vulnerability occurs in the cifs_create() function where an xid (transaction ID) is not properly freed if the CIFS connection shuts down. A local attacker could exploit this flaw to cause a resource leak, potentially leading to a Denial of Service (DoS) condition on the system.

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