CVE-2026-80692
Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
CVSS Score
8.8
EPSS Score
0.2%
EPSS Percentile
5th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 28, 2026 |
| Last Updated | Aug 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
881559af5f5c545f6828e7c74d79813eb886d523 < 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074 881559af5f5c545f6828e7c74d79813eb886d523 < 2f5d635ad5906b0235bc0c870e8beba3116e1e98 d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c 5dd0bd277a0a936708a33ecc447dce77a08cbde6 6.6.51 < 6.7 6.8.9 < 6.9
Linux / Linux
6.9