HIGH 7.8 Microsoft

CVE-2023-28464

hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation.

Microsoft Security Update 2023-Mar: hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation.

Affected Products

References

Published: 2023-03-14 · Source: Microsoft · Feed updated: 2026-09-17
This high severity vulnerability with a CVSS score of 7.8 was published on 2023-03-14 via Microsoft. Affected: cm1 kernel 5.10.188.1-1 on CBL Mariner 1.0, cbl2 kernel 5.15.122.1-2 on CBL Mariner 2.0.
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