CVE-2026-80692 PUBLISHED

Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks

Assigner: Linux
Reserved: 26.08.2026 Published: 28.08.2026 Updated: 28.08.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 881559af5f5c545f6828e7c74d79813eb886d523 to 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074 (excl.)
  • affected from 881559af5f5c545f6828e7c74d79813eb886d523 to 2f5d635ad5906b0235bc0c870e8beba3116e1e98 (excl.)
  • Version d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c is affected
  • Version 5dd0bd277a0a936708a33ecc447dce77a08cbde6 is affected
  • affected from 6.6.51 to 6.7 (excl.)
  • affected from 6.8.9 to 6.9 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.9 is affected
  • unaffected from 0 to 6.9 (excl.)
  • unaffected from 7.1.8 to 7.1.* (incl.)
  • unaffected from 7.2 to * (incl.)

References