CVE-2022-49111 is a use-after-free vulnerability in the Linux kernel Bluetooth subsystem's ACL transmission path. Processing an HCI physical-link-disconnection-complete event can invoke connection deletion without first confirming that the connection is an AMP link. The connection cleanup frees state that remains reachable by upper Bluetooth layers; a subsequent ACL send through hci_send_acl dereferences the freed object. The corrective change validates the connection type and, for AMP links, performs upper-layer disconnection confirmation and cleanup before deleting the connection.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
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Cross-references every affected SKU, including bundled OEM variants.
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