EUVD-2026-15234
GHSA-2286-mwvj-8983
Lifecycle Timeline
4Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: purge error queues in socket destructors When TX timestamping is enabled via SO_TIMESTAMPING, SKBs may be queued into sk_error_queue and will stay there until consumed. If userspace never gets to read the timestamps, or if the controller is removed unexpectedly, these SKBs will leak. Fix by adding skb_queue_purge() calls for sk_error_queue in affected bluetooth destructors. RFCOMM does not currently use sk_error_queue.
Analysis
This vulnerability is a memory leak in the Linux kernel's Bluetooth subsystem where Socket Buffers (SKBs) queued into the sk_error_queue for TX timestamping are not properly purged during socket destruction, allowing sensitive timestamp data to persist in kernel memory. The vulnerability affects all Linux kernel versions that support Bluetooth with SO_TIMESTAMPING enabled (cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*). …
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Priority Score
Vendor Status
Debian
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | not-affected | - | - |
| bullseye (security) | fixed | 5.10.251-1 | - |
| bookworm | not-affected | - | - |
| bookworm (security) | fixed | 6.1.164-1 | - |
| trixie | not-affected | - | - |
| trixie (security) | fixed | 6.12.74-2 | - |
| forky, sid | fixed | 6.19.8-1 | - |
| (unstable) | fixed | 6.19.8-1 | - |
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External POC / Exploit Code
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