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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.

🗓️ 07 Apr 2023 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Use-after-free in hci_conn_cleanup on Linux kernel up to 6.2.9 causes double free in hash flush via put calls.

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07 Apr 2023 07:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.8
EPSS0.00275
1