Vulnerability CVE-2023-28464
Published: 2023-03-31

Description:
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.

 References:
https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm@gmail.com/
https://www.openwall.com/lists/oss-security/2023/03/28/2
https://www.openwall.com/lists/oss-security/2023/03/28/3
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