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CVE-2023-53297
Published: Sep 16, 2025
Modified: May 23, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected f2d38e77aa5f3effc143e7dd24da8acf02925958 - < 5f352a56f0e607e6ff539cbf12156bfd8af232beaffected 1351551aa9058e07a20a27a158270cf84fcde621 - < 6a27762340ad08643de3bc17fe1646ea489ca2e2affected c02421992505c95c7f3c9ad59ee35e22eac60988 - < 2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7daffected d9ba36c22a7bb09d6bac4cc2f243eff05da53f43 - < 55410a9144c76ecda126e6cdec556dfcd8f343b2affected ac6725a634f7e8c0330610a8527f20c730b61115 - < 116b9c002c894097adc2b8684db2d1da4229ed46+11 more versions |
Linux | Linux | affected 6.3unaffected 0 - < 6.3unaffected 4.14.316 - <= 4.14.*unaffected 4.19.284 - <= 4.19.*unaffected 5.4.244 - <= 5.4.*+5 more versions |
References
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