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Red Hat Security Advisory
Synopsis: Important: flatpak security update
Advisory ID: RHSA-2021:0307-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0307
Issue date: 2021-02-01
CVE Names: CVE-2021-21261
=====================================================================
1. Summary:
An update for flatpak is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
3. Description:
Flatpak is a system for building, distributing, and running sandboxed
desktop applications on Linux.
Security Fix(es):
* flatpak: sandbox escape via spawn portal (CVE-2021-21261)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1917430 - CVE-2021-21261 flatpak: sandbox escape via spawn portal
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source:
flatpak-1.6.2-4.el8_2.src.rpm
aarch64:
flatpak-1.6.2-4.el8_2.aarch64.rpm
flatpak-debuginfo-1.6.2-4.el8_2.aarch64.rpm
flatpak-debugsource-1.6.2-4.el8_2.aarch64.rpm
flatpak-libs-1.6.2-4.el8_2.aarch64.rpm
flatpak-libs-debuginfo-1.6.2-4.el8_2.aarch64.rpm
flatpak-session-helper-1.6.2-4.el8_2.aarch64.rpm
flatpak-session-helper-debuginfo-1.6.2-4.el8_2.aarch64.rpm
flatpak-tests-debuginfo-1.6.2-4.el8_2.aarch64.rpm
noarch:
flatpak-selinux-1.6.2-4.el8_2.noarch.rpm
ppc64le:
flatpak-1.6.2-4.el8_2.ppc64le.rpm
flatpak-debuginfo-1.6.2-4.el8_2.ppc64le.rpm
flatpak-debugsource-1.6.2-4.el8_2.ppc64le.rpm
flatpak-libs-1.6.2-4.el8_2.ppc64le.rpm
flatpak-libs-debuginfo-1.6.2-4.el8_2.ppc64le.rpm
flatpak-session-helper-1.6.2-4.el8_2.ppc64le.rpm
flatpak-session-helper-debuginfo-1.6.2-4.el8_2.ppc64le.rpm
flatpak-tests-debuginfo-1.6.2-4.el8_2.ppc64le.rpm
s390x:
flatpak-1.6.2-4.el8_2.s390x.rpm
flatpak-debuginfo-1.6.2-4.el8_2.s390x.rpm
flatpak-debugsource-1.6.2-4.el8_2.s390x.rpm
flatpak-libs-1.6.2-4.el8_2.s390x.rpm
flatpak-libs-debuginfo-1.6.2-4.el8_2.s390x.rpm
flatpak-session-helper-1.6.2-4.el8_2.s390x.rpm
flatpak-session-helper-debuginfo-1.6.2-4.el8_2.s390x.rpm
flatpak-tests-debuginfo-1.6.2-4.el8_2.s390x.rpm
x86_64:
flatpak-1.6.2-4.el8_2.x86_64.rpm
flatpak-debuginfo-1.6.2-4.el8_2.i686.rpm
flatpak-debuginfo-1.6.2-4.el8_2.x86_64.rpm
flatpak-debugsource-1.6.2-4.el8_2.i686.rpm
flatpak-debugsource-1.6.2-4.el8_2.x86_64.rpm
flatpak-libs-1.6.2-4.el8_2.i686.rpm
flatpak-libs-1.6.2-4.el8_2.x86_64.rpm
flatpak-libs-debuginfo-1.6.2-4.el8_2.i686.rpm
flatpak-libs-debuginfo-1.6.2-4.el8_2.x86_64.rpm
flatpak-session-helper-1.6.2-4.el8_2.x86_64.rpm
flatpak-session-helper-debuginfo-1.6.2-4.el8_2.i686.rpm
flatpak-session-helper-debuginfo-1.6.2-4.el8_2.x86_64.rpm
flatpak-tests-debuginfo-1.6.2-4.el8_2.i686.rpm
flatpak-tests-debuginfo-1.6.2-4.el8_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2021-21261
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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