Improper Resource Locking Affecting kernel-rt-core package, versions <0:5.14.0-427.13.1.el9_4


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-CENTOS9-KERNELRTCORE-14713849
  • published26 Dec 2025
  • disclosed24 Dec 2025

Introduced: 24 Dec 2025

CVE-2023-53990  (opens in a new tab)
CWE-413  (opens in a new tab)

How to fix?

Upgrade Centos:9 kernel-rt-core to version 0:5.14.0-427.13.1.el9_4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-core package and not the kernel-rt-core package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

SMB3: Add missing locks to protect deferred close file list

cifs_del_deferred_close function has a critical section which modifies the deferred close file list. We must acquire deferred_lock before calling cifs_del_deferred_close function.

CVSS Base Scores

version 3.1