CVE-2019-19921

Name	CVE-2019-19921
Description	runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)
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-3369-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
runc (PTS)	bullseye	1.0.0~rc93+ds1-5+deb11u5	fixed
	bullseye (security)	1.0.0~rc93+ds1-5+deb11u3	fixed
	bookworm, bookworm (security)	1.1.5+ds1-1+deb12u1	fixed
	sid, trixie	1.1.15+ds1-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
runc	source	buster	1.0.0~rc6+dfsg1-3+deb10u2		DLA-3369-1
runc	source	(unstable)	1.0.0~rc10+dfsg1-1

Notes

[stretch] - runc <no-dsa> (Minor issue)
https://github.com/opencontainers/runc/issues/2197
https://github.com/opencontainers/runc/pull/2190
https://github.com/opencontainers/runc/commit/3291d66b98445bd7f7d02eac7f2bca2ac2c56942 (v1.0.0-rc10)