CVE-2026-43022
Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists hci_cmd_sync_queue_once() needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the function to return -EEXIST if queue item already exists. Modify all callsites to handle that.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 1, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0ad2ce230b38cd4b3f6732cc609e270461e626e5 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2969554bcfccb5c609f6b6cd4a014933f3a66dd0
Linux / Linux
All versions affected