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CVE-2026-68390

HIGHCVSS 8.8/10EPSS 0.22%

Last modified

CVE-2026-68390 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.22%

12.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= c530569adc19b5f0c62955de41f067bad34e3fe0, < 8d892bec1dd134761cabec6ba23fe315d0f20f98; >= c530569adc19b5f0c62955de41f067bad34e3fe0, < c363202ec841df36421ec280eea3d5f94f556143
LinuxLinux6.19

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is 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.
How severe is CVE-2026-68390?
CVE-2026-68390 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2026-68390?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST