CVE-2023-53297

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

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

02 Dec 2025, 19:28

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46 - () https://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46 - Patch
References () https://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d - () https://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d - Patch
References () https://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661ce - () https://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661ce - Patch
References () https://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7 - () https://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7 - Patch
References () https://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2 - () https://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2 - Patch
References () https://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232be - () https://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232be - Patch
References () https://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2 - () https://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2 - Patch
References () https://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449 - () https://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449 - Patch
CWE NVD-CWE-noinfo
First Time Linux linux Kernel
Linux
Information

Published : 2025-09-16 08:15

Updated : 2025-12-02 19:28

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