CVE-2026-68392 PUBLISHED

Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync

Assigner: Linux
Reserved: 30.07.2026 Published: 10.08.2026 Updated: 10.08.2026

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

Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync

Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF.

Take hdev->lock for hci_conn lookup and hci_abort_conn(). Don't use RCU to ensure the conn is fully initialized at this point.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c to 8bc83f9ef6789571f399ff631a2a14a12b6d8585 (excl.)
  • affected from 227a0cdf4a028a73dc256d0f5144b4808d718893 to 579faba5ede6df6b7f36777c431dc8dcf9d272e7 (excl.)
  • affected from 227a0cdf4a028a73dc256d0f5144b4808d718893 to ca58ad287bfc5b9d31a72ecb8650289df2b57250 (excl.)
  • affected from 227a0cdf4a028a73dc256d0f5144b4808d718893 to b11511006f9e17000de3f4cadee451364f658ca3 (excl.)
  • affected from 227a0cdf4a028a73dc256d0f5144b4808d718893 to 16cd66443957e4ad42155c6fec401012f600c6f8 (excl.)
  • Version 58afdc9b18871eb1d461c725be9e9f3f44a39aeb is affected
  • affected from 6.6.51 to 6.6.148 (excl.)
  • affected from 6.10.10 to 6.11 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.11 is affected
  • unaffected from 0 to 6.11 (excl.)
  • unaffected from 6.6.148 to 6.6.* (incl.)
  • unaffected from 6.12.101 to 6.12.* (incl.)
  • unaffected from 6.18.42 to 6.18.* (incl.)
  • unaffected from 7.1.6 to 7.1.* (incl.)
  • unaffected from 7.2-rc4 to * (incl.)

References