CVE-2020-29660

Name	CVE-2020-29660
Description	A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	low

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	stretch	4.9.228-1	vulnerable
	stretch (security)	4.9.246-2	vulnerable
	buster	4.19.160-2	vulnerable
	buster (security)	4.19.152-1	vulnerable
	bullseye	5.10.4-1	fixed
	sid	5.10.5-1	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)	5.9.15-1

https://git.kernel.org/linus/c8bcd9c5be24fb9e6132e97da5a35e55a83e36b9
https://bugs.chromium.org/p/project-zero/issues/detail?id=2125