Unlock of a Resource that is not Locked Affecting kernel-rt-debug package, versions <0:4.18.0-553.81.1.rt7.422.el8_10


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (10th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUG-12855981
  • published17 Sept 2025
  • disclosed16 Sept 2025

Introduced: 16 Sep 2025

CVE-2023-53297  (opens in a new tab)
CWE-832  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug to version 0:4.18.0-553.81.1.rt7.422.el8_10 or higher.
This issue was patched in RHSA-2025:19103.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug package and not the kernel-rt-debug package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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

Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

conn->chan_lock isn't acquired before l2cap_get_chan_by_scid, if l2cap_get_chan_by_scid returns NULL, then 'bad unlock balance' is triggered.

CVSS Base Scores

version 3.1