CVE-2026-80692 is a vulnerability in Linux Kernel
Published on August 28, 2026
Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
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.
Products Associated with CVE-2026-80692
Want to know whenever a new CVE is published for Linux Kernel? stack.watch will email you.
Affected Versions
Linux:- Version 881559af5f5c545f6828e7c74d79813eb886d523 and below 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074 is affected.
- Version 881559af5f5c545f6828e7c74d79813eb886d523 and below 2f5d635ad5906b0235bc0c870e8beba3116e1e98 is affected.
- Version d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c is affected.
- Version 5dd0bd277a0a936708a33ecc447dce77a08cbde6 is affected.
- Version 6.6.51 and below 6.7 is affected.
- Version 6.8.9 and below 6.9 is affected.
- Version 6.9 is affected.
- Before 6.9 is unaffected.
- Version 7.1.8, <= 7.1.* is unaffected.
- Version 7.2, <= * is unaffected.