CVE-2026-43022
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 6.19.12-1 |
| debian | sid | fixed | 6.19.12-1 |
| debian | trixie | affected | |
| linux-kernel | affected | 6.19.12 | |
| linux-kernel | 6.1.120 | affected | |
| linux-kernel | 6.6.51 | affected | |
| linux-kernel | 6.8.9 | affected | |
| linux-kernel | 7.0 | affected | |
| windows | affected | |
References
- https://git.kernel.org/stable/c/0ad2ce230b38cd4b3f6732cc609e270461e626e5
- https://git.kernel.org/stable/c/2969554bcfccb5c609f6b6cd4a014933f3a66dd0
- https://www.suse.com/security/cve/CVE-2026-43022.html
- https://security-tracker.debian.org/tracker/CVE-2026-43022
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43022
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.