Vulnerability in Linux

CVE-2026-68390

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (12.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-68390: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions 7.1.6, 7.2, 6.19

References

Frequently asked questions

What is CVE-2026-68390?
CVE-2026-68390 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-08-10.
How severe is CVE-2026-68390?
High severity. CVSS v3 base score is 8.8 out of 10.