CVE-2026-80692

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.

CVSS 3.1

8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-25)

Published

2026-08-28

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

References

• https://git.kernel.org/stable/c/2f5d635ad5906b0235bc0c870e8beba3116e1e98
• https://git.kernel.org/stable/c/301a4e2e89313dee10f0e8cb084daedbbe4a3dce
• https://git.kernel.org/stable/c/9a77f296aff4b2ca5f2928ab3a3220c82d8b4074
• https://git.kernel.org/stable/c/a4de6fc95b2f36967fc247ae51cad2171194f7cd
• https://git.kernel.org/stable/c/f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805

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