CVE-2026-68390 in Linux

Summary

by MITRE • 08/10/2026

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.

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• Responsible: Linux
• Reservation: 07/30/2026
• Disclosure: 08/10/2026
• Moderation: accepted
• Entry: VDB-387800
• CPE: ready
• CWE: CWE-362 (confirmed)
• CVSS: 9.9 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Government, Hospital, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-68390
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-68390
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-68390/