CVE-2023-28464

Name	CVE-2023-28464
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	vulnerable
	buster (security)	4.19.282-1	vulnerable
	bullseye	5.10.178-3	vulnerable
	bullseye (security)	5.10.179-1	vulnerable
	bookworm, sid	6.1.27-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	(unstable)	6.1.25-1

Notes

https://www.openwall.com/lists/oss-security/2023/03/28/2
https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm@gmail.com/
https://git.kernel.org/linus/5dc7d23e167e2882ef118456ceccd57873e876d8