CVE-2020-26555

Name	CVE-2020-26555
Description	Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN.
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)	4.19.260-1	vulnerable
	bullseye	5.10.140-1	vulnerable
	bullseye (security)	5.10.149-2	vulnerable
	bookworm, sid	6.0.10-2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	(unstable)	(unfixed)

Notes

https://kb.cert.org/vuls/id/799380
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/impersonation-pin-pairing/
https://bugzilla.redhat.com/show_bug.cgi?id=1918601