High 7.8Published Aug 10, 2026

CVE-2026-68392Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync

Updated under an hour ago (Oct 27, 2026, 6:20 AM ET)

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Aug 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 7fe4d391e937c2f048a43ff4b421e677f10d83c0 before 74f3e6e21ebc6c418d348f8ce68aef6fe6d82c82; 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c builds before 8bc83f9ef6789571f399ff631a2a14a12b6d8585; from 227a0cdf4a028a73dc256d0f5144b4808d718893 before 579faba5ede6df6b7f36777c431dc8dcf9d272e7; from 227a0cdf4a028a73dc256d0f5144b4808d718893 before ca58ad287bfc5b9d31a72ecb8650289df2b57250; from 227a0cdf4a028a73dc256d0f5144b4808d718893 before b11511006f9e17000de3f4cadee451364f658ca3; 227a0cdf4a028a73dc256d0f5144b4808d718893 builds before 16cd66443957e4ad42155c6fec401012f600c6f8; 58afdc9b18871eb1d461c725be9e9f3f44a39aeb; from 6.6.51 before 6.6.148; and 1 more ranges	CNA record

References

References

https://git.kernel.org/stable/c/74f3e6e21ebc6c418d348f8ce68aef6fe6d82c82
https://git.kernel.org/stable/c/8bc83f9ef6789571f399ff631a2a14a12b6d8585
https://git.kernel.org/stable/c/579faba5ede6df6b7f36777c431dc8dcf9d272e7
https://git.kernel.org/stable/c/ca58ad287bfc5b9d31a72ecb8650289df2b57250
https://git.kernel.org/stable/c/b11511006f9e17000de3f4cadee451364f658ca3
https://git.kernel.org/stable/c/16cd66443957e4ad42155c6fec401012f600c6f8

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.