Description
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.
References8
- git.kernel.org/stable/c/1351551aa9058e07a20a27a158270cf84fcde621
- git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58
- git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a
- git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115
- git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988
- git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
- git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
- git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 37 · as of 11 November 2026
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