CVE-2023-53827
Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 9, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < f2d38e77aa5f3effc143e7dd24da8acf02925958 61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < 1351551aa9058e07a20a27a158270cf84fcde621 61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < c02421992505c95c7f3c9ad59ee35e22eac60988 61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < d9ba36c22a7bb09d6bac4cc2f243eff05da53f43 61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < ac6725a634f7e8c0330610a8527f20c730b61115 61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < 348d446762e7c70778df8bafbdf3fa0df2123f58 61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284 61d6ef3e3408cdf7e622646fb90a9f7f9560b943 < a2a9339e1c9deb7e1e079e12e27a0265aea8421a
Linux / Linux
3.5
References
git.kernel.org: https://git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958 git.kernel.org: https://git.kernel.org/stable/c/1351551aa9058e07a20a27a158270cf84fcde621 git.kernel.org: https://git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988 git.kernel.org: https://git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43 git.kernel.org: https://git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115 git.kernel.org: https://git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58 git.kernel.org: https://git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284 git.kernel.org: https://git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a