CVE-2026-68390

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

HIGH
8.8
CVSS Score
Published: August 10, 2026 at 12:04 PM UTC
Updated: August 17, 2026 at 06:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%

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.

Affected

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

6.19 ≤ v < 7.1.66.19 ≤ v < 7.26.19c530569adc19b5f0c62955de41f067bad34e3fe0
Vendor states this is fixed in 8d892bec1dd134761cabec6ba23fe315d0f20f98 (fixed)
Vendor states this is fixed in c363202ec841df36421ec280eea3d5f94f556143 (fixed)
Vendor states this is fixed in 6.19 (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.

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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