CVE-2026-74529 PUBLISHED

Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback

Assigner: Linux
Reserved: 15.08.2026 Published: 15.08.2026 Updated: 15.08.2026

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback

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 6d0417e4e1cf66fd917f06f0454958362714ef7d to c53c70ec289ee12f20c4f1b2fbfd151762c01f67 (excl.)
  • affected from 6d0417e4e1cf66fd917f06f0454958362714ef7d to 44fc74069d8988f2825246f9401218e29de2c0ab (excl.)
  • Version eb8b860e87b296bd1874c79a668081efd00f9754 is affected
  • Version 94bf6380e936339a700c0b3171a49baf512aa70b is affected
  • affected from 6.12.28 to 6.13 (excl.)
  • affected from 6.14.6 to 6.15 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.15 is affected
  • unaffected from 0 to 6.15 (excl.)
  • unaffected from 7.1.8 to 7.1.* (incl.)
  • unaffected from 7.2-rc6 to * (incl.)

References