CVE-2026-80692

CVE-2026-80692

High · published August 28, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
32.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00398 · 32.9th percentile
Published
2026-08-28T12:16Z
References (5)
https://git.kernel.org/stable/c/2f5d635ad5906b0235bc0c870e8beba3116e1e98 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/301a4e2e89313dee10f0e8cb084daedbbe4a3dce · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a77f296aff4b2ca5f2928ab3a3220c82d8b4074 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4de6fc95b2f36967fc247ae51cad2171194f7cd · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 28 AUG 06:52Z
    Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
    cvelistv5