CVE-2026-80692: Linux

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux: from 6.6.51, before 6.7 (fixed in 6.7); from 6.8.9, before 6.9 (fixed in 6.9); from 6.9, before 7.1.8 (fixed in 7.1.8)

Published 2026-08-28. Last modified 2026-08-29.