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Fedora 33 DIS-2021-ec00da7faa Moderate: DoS Threat for Runc Security

fedora
Calendar Grey April 24, 2021
Dist Fedora Esm H88
The latest update for Fedora's runc tackles a severe security vulnerability, reinforcing container protection and mitigating a denial of service risk.
- crun and runc both `Provides: oci-runtime`

Summary

The runc command can be used to start containers which are packaged

in accordance with the Open Container Initiative's specifications,

and to manage containers running under runc.

- crun and runc both `Provides: oci-runtime`. - containers-common now has

`Requires: oci-runtime`. - `dnf install oci-runtime` will install crun by

default unless runc is already installed. ---- buildah: Security fix for

CVE-2021-20291 Autobuilt v1.20.1

* Wed Apr 21 2021 Lokesh Mandvekar - 2:1.0.0-377.rc93

- add Provides: oci-runtime in the right place

* Tue Apr 13 2021 Lokesh Mandvekar - 2:1.0.0-376.dev.git12644e6

- unversioned Provides: oci-runtime

- runc package will also provide an unversioned Provides: oci-runtime.

- user should pull in runc separately or else it will install crun by default

(alphabetical order)

- similar situation as caddy, httpd, lighttpd and nginx having Provides: webserver

[ 1 ] Bug #1939485 - CVE-2021-20291 containers/storage: DoS via malicious image

https://bugzilla.redhat.com/show_bug.cgi?id=1939485

su -c 'dnf upgrade --advisory FEDORA-2021-ec00da7faa' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
important
Lowest
Low
Medium
High
Critical

Product: Fedora 33
Version: 1.0.0
Release: 377.rc93.fc33
Summary: CLI for running Open Containers

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