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Vulnerabilities CVE-2026-63948

CVE-2026-63948

None
Open
TLP:CLEAR

Bluetooth: L2CAP: fix chan ref leak in l2cap_chan_timeout() on !conn

AI Analysis

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Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix chan ref leak in l2cap_chan_timeout() on !conn __set_chan_timer() takes a l2cap_chan reference via l2cap_chan_hold() before scheduling the delayed work. The normal path in l2cap_chan_timeout() drops this reference with l2cap_chan_put() at the end, but the early return when chan->conn is NULL skips the put, leaking the reference. Add the missing l2cap_chan_put() before the early return.

Details

EPSS Score
0.21%

11.4th percentile

Confidence
90%
Published
Jul 19, 2026
Last Modified
Jul 19, 2026
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