Bug 2517098 (CVE-2026-74529) - CVE-2026-74529 kernel: Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback
Summary: CVE-2026-74529 kernel: Bluetooth: hci_sync: hold conn in hci_connect_pa_sync(...
Keywords:
Status: NEW
Alias: CVE-2026-74529
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-15 12:51 UTC by OSIDB Bzimport
Modified: 2026-08-17 12:58 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-08-15 12:51:33 UTC 
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.
Comment 1 TEJ RATHI 2026-08-17 12:51:03 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026081546-CVE-2026-74529-1f0a@gregkh/T
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