CVE-2020-14356

Name	CVE-2020-14356
Description	A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A local user could use this flaw to crash the system or escalate their privileges on the system.
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)
References	DLA-2385-1, DLA-2420-1
Debian Bugs	966846

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	fixed
	buster (security)	4.19.269-1	fixed
	bullseye	5.10.158-2	fixed
	bullseye (security)	5.10.162-1	fixed
	bookworm	6.1.15-1	fixed
	sid	6.1.20-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
linux	source	stretch	4.9.240-1	DLA-2420-1
linux	source	buster	4.19.146-1
linux	source	(unstable)	5.7.10-1		966846
linux-4.19	source	stretch	4.19.146-1~deb9u1	DLA-2385-1

Fixed by: https://git.kernel.org/linus/ad0f75e5f57ccbceec13274e1e242f2b5a6397ed