What is GHSA-fg5w-g6pm-xp23?

GHSA-fg5w-g6pm-xp23 is a security advisory published by GitHub Security Advisories with High severity. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold...

Which CVE IDs does GHSA-fg5w-g6pm-xp23 cover?

GHSA-fg5w-g6pm-xp23 covers the following CVE IDs: CVE-2026-80692. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fg5w-g6pm-xp23?

GHSA-fg5w-g6pm-xp23 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-fg5w-g6pm-xp23HighCVSS 8.8

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold...

Vendor

GitHub Security Advisories

Published

August 28, 2026

Last Modified

August 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-80692 →

📋 Description

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

Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks

There is theoretical UAF if the conn is freed while the hci_sync task is running.

Hold refcount to avoid that.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-80692
https://git.kernel.org/stable/c/2f5d635ad5906b0235bc0c870e8beba3116e1e98
https://git.kernel.org/stable/c/9a77f296aff4b2ca5f2928ab3a3220c82d8b4074
https://github.com/advisories/GHSA-fg5w-g6pm-xp23