Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback
There is theoretical UAF if the conn is freed while the hci_sync task is
running.
Hold refcount to avoid that.
Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4904-1 | linux-6.12 security update |
Ubuntu USN |
USN-9019-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-9020-1 | Linux kernel vulnerabilities |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Wed, 21 Oct 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 21 Oct 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Thu, 15 Oct 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Tue, 18 Aug 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-825 | |
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
Mon, 17 Aug 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 |
Mon, 17 Aug 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 |
Mon, 17 Aug 2026 06:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Sat, 15 Aug 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 |
Sat, 15 Aug 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that. | |
| Title | Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-10-21T12:45:47.259Z
Reserved: 2026-08-15T05:44:03.912Z
Link: CVE-2026-74529
Updated: 2026-10-16T18:59:14.289Z
Status : Received
Published: 2026-08-15T13:17:58.190
Modified: 2026-10-21T13:19:45.657
Link: CVE-2026-74529
OpenCVE Enrichment
Updated: 2026-08-18T03:00:09Z
Debian DLA
Ubuntu USN