CVE-2026-80692
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux
PublishedAug 28, 2026
First seenAug 28, 2026
How to fix
Update
- Linux Linuxf0a544ef6e38e4063d0ed72ad83d6bf0f4e70805, 301a4e2e89313dee10f0e8cb084daedbbe4a3dce, a4de6fc95b2f36967fc247ae51cad2171194f7cd, 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074, 2f5d635ad5906b0235bc0c870e8beba3116e1e98, 6.6.160, 6.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c ≤ v < f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805, 881559af5f5c545f6828e7c74d79813eb886d523 ≤ v < 301a4e2e89313dee10f0e8cb084daedbbe4a3dce, 881559af5f5c545f6828e7c74d79813eb886d523 ≤ v < a4de6fc95b2f36967fc247ae51cad2171194f7cd, 881559af5f5c545f6828e7c74d79813eb886d523 ≤ v < 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074, 881559af5f5c545f6828e7c74d79813eb886d523 ≤ v < 2f5d635ad5906b0235bc0c870e8beba3116e1e98, 5dd0bd277a0a936708a33ecc447dce77a08cbde6, 6.6.51 ≤ v < 6.6.160, 6.8.9 ≤ v < 6.9, 6.9 | f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805, 301a4e2e89313dee10f0e8cb084daedbbe4a3dce, a4de6fc95b2f36967fc247ae51cad2171194f7cd, 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074, 2f5d635ad5906b0235bc0c870e8beba3116e1e98, 6.6.160, 6.9 |
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