CVE-2024-56591
CSIRTS triage
- What
- A use-after-free or synchronization issue in the Bluetooth HCI connection layer (hci_conn) caused by improper delayed work cancellation.
- Who is affected
- Systems with Bluetooth enabled running affected kernel versions.
- Urgency
- Moderate urgency; CVSS 5.5 indicates local DoS or memory corruption potential requiring kernel update.
- Action
- Apply kernel patches addressing disabled_delayed_work_sync for Bluetooth hci_conn.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2024-56591: Bluetooth: hci_conn: Use disable_delayed_work_syncmsrc · 2026-08-06
External references
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