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CVE-2026-68392

Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync

HIGH
7.8
CVSS Score
Published: August 10, 2026 at 12:04 PM UTC
Updated: August 23, 2026 at 01:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v ≥ 6.10.106.10.10 ≤ v < 6.116.11 ≤ v < 6.12.1016.11 ≤ v < 6.18.426.11 ≤ v < 7.1.66.11 ≤ v < 7.26.6.51 ≤ v < 6.6.148227a0cdf4a028a73dc256d0f5144b4808d718893249c88e7fb45b6b705040c5af4bd0d0f2bc9735c58afdc9b18871eb1d461c725be9e9f3f44a39aeb6.10.106.116.6.517fe4d391e937c2f048a43ff4b421e677f10d83c0
Vendor states this is fixed in 16cd66443957e4ad42155c6fec401012f600c6f8 (fixed)
Vendor states this is fixed in 579faba5ede6df6b7f36777c431dc8dcf9d272e7 (fixed)
Vendor states this is fixed in 74f3e6e21ebc6c418d348f8ce68aef6fe6d82c82 (fixed)
Vendor states this is fixed in 8bc83f9ef6789571f399ff631a2a14a12b6d8585 (fixed)
Vendor states this is fixed in b11511006f9e17000de3f4cadee451364f658ca3 (fixed)
Vendor states this is fixed in ca58ad287bfc5b9d31a72ecb8650289df2b57250 (fixed)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.12.101 (unaffected)
Vendor states this is fixed in 6.18.42 (unaffected)
Vendor states this is fixed in 6.6.148 (unaffected)
Vendor states this is fixed in 7.1.6 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

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

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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