CVE-2020-16119

Name	CVE-2020-16119
Description	Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2785-1, DLA-2843-1, DSA-4978-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.115-1	fixed
	bookworm (security)	6.1.119-1	fixed
	sid, trixie	6.12.6-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	stretch	4.9.290-1	DLA-2843-1
linux	source	buster	4.19.208-1
linux	source	bullseye	5.10.46-5	DSA-4978-1
linux	source	(unstable)	5.14.6-1
linux-4.19	source	stretch	4.19.208-1~deb9u1	DLA-2785-1

https://www.openwall.com/lists/oss-security/2020/10/13/7
https://git.kernel.org/linus/d9ea761fdd197351890418acd462c51f241014a7