CVE-2023-53297
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp con
CVSS
8.8
High
EPSS
0.2%
p10
KEV
—
Exploit Today
3
0-100
Published: Sep 16, 2025 · Last modified: Aug 4, 2026
0.1%EPSS · 30 days0.2%
2026-07-152026-08-12
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.
- git.kernel.orghttps://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46
- git.kernel.orghttps://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d
- git.kernel.orghttps://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661ce
- git.kernel.orghttps://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7
- git.kernel.orghttps://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2
- git.kernel.orghttps://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232be
- git.kernel.orghttps://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2
- git.kernel.orghttps://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449
No related CVEs by CWE or product.