vulnerability

Red Hat: CVE-2022-20566: kernel: possible use after free due to improper locking in l2cap_chan_put of l2cap_core

Name: Red Hat: CVE-2022-20566: kernel: possible use after free due to improper locking in l2cap_chan_put of l2cap_core
Creator: Red Hat
Published: 2022-12-16T00:00:00.000Z
Keywords: CVE, Red Hat, 2022, 20566, kernel, no-fix-redhat-rpm-package, Severity 7

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Severity

CVSS

(AV:L/AC:L/Au:S/C:C/I:C/A:C)

Published

Dec 16, 2022

Added

Jul 9, 2025

Modified

Jul 10, 2025

Description

In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-165329981References: Upstream kernel

Solution

no-fix-redhat-rpm-package

References

NVD-CVE-2022-20566

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