CVE-2026-74531 evidence review
Linux
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: hold conn reference in abort_conn_sync() There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.
Identify the product and installed version
Record whether Linux is present, where it is installed, and which interfaces are exposed.
- Record the product name, package or appliance identifier, and installed version.
- Identify internet-facing, administrative, API, and internal access paths.
- Preserve the pre-change configuration and relevant service logs.
Compare the affected range
Use the current record as an identification aid: >= 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c < 64d1645f26aa49b5a86ba2fccd0bb6749ea725a6, >= 227a0cdf4a028a73dc256d0f5144b4808d718893 < 963fb4b8e7d1ab07b4ae45bf15d41e667c88caca, >= 227a0cdf4a028a73dc256d0f5144b4808d718893 < e8f9fef362bab431d95371d3406bc720350290c3, >= 227a0cdf4a028a73dc256d0f5144b4808d718893 < fa812cfa81aa3d4a7b6ce8277979af57b3f79712, >= 227a0cdf4a028a73dc256d0f5144b4808d718893 < 5761d003daa987ac81463f570713ce9c9dd204e5, >= 7fe4d391e937c2f048a43ff4b421e677f10d83c0, >= 58afdc9b18871eb1d461c725be9e9f3f44a39aeb, >= 6.6.51 < 6.6.151, >= 6.1.184 < 6.2, >= 6.10.10 < 6.11, >= 6.11. Resolve incomplete inventory results before deciding that an asset is unaffected.
Verify the authoritative remediation source
Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.
Operational boundary
This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.