CVE-2026-68390

Bluetooth: hci_sync: hold hdev->lock for hci_conn_params lookups

State: Published
Severity: 8.8 High
Published: Aug 10, 2026
Updated: Aug 17, 2026
Reserved: Jul 30, 2026

Read the record on cve.org

Description

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

Bluetooth: hci_sync: hold hdev->lock for hci_conn_params lookups

hci_conn_params_lookup requires hdev->lock be held, otherwise the list iteration or param access is not safe.

Hold hdev->lock for params lookups in hci_sync.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	c530569adc19b5f0c62955de41f067bad34e3fe0 to before 8d892bec1dd134761cabec6ba23fe315d0f20f98Affected c530569adc19b5f0c62955de41f067bad34e3fe0 to before c363202ec841df36421ec280eea3d5f94f556143Affected
LinuxLinux	6.19Affected before 6.19Not affected 7.1.6 through 7.1.*Not affected 7.2 and laterNot affected

References

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