Gentoo: GLSA-202107-23: Docker: Multiple vulnerabilities
Summary
Multiple vulnerabilities have been discovered in Docker. Please review the CVE identifiers referenced below for details.
Resolution
All Docker 19.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/docker-19.03.15"
All Docker 20.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/docker-20.10.3"
References
[ 1 ] CVE-2021-21284 https://nvd.nist.gov/vuln/detail/CVE-2021-21284 [ 2 ] CVE-2021-21285 https://nvd.nist.gov/vuln/detail/CVE-2021-21285
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202107-23
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Synopsis
Multiple vulnerabilities have been found in Docker, the worst of which could result in privilege escalation to root on the host.
Background
Docker is the world's leading software containerization platform.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/docker < 20.10.3 >= 19.03.15 >= 20.10.3
Impact
===== Please review the referenced CVE identifiers for details.
Workaround
There is no known workaround at this time.