CVE-2023-53297

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 v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46	Patch
https://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d	Patch
https://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661ce	Patch
https://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7	Patch
https://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2	Patch
https://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232be	Patch
https://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2	Patch
https://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-09-16 08:15

Updated : 2026-01-14 19:16

NVD link : CVE-2023-53297

Mitre link : CVE-2023-53297

CVE.ORG link : CVE-2023-53297

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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