Unrated severityNVD Advisory· Published Sep 16, 2025· Updated Jan 14, 2026
Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp
CVE-2023-53297
Description
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.
Affected products
2- Linux/Linuxv5Range: 6.3
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46mitre
- git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7dmitre
- git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661cemitre
- git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7mitre
- git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2mitre
- git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232bemitre
- git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2mitre
- git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449mitre
News mentions
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