[RHSA-2021:4107-01] Important: flatpak security update

[Security announcements for all Red Hat products and services.]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: flatpak security update
Advisory ID:       RHSA-2021:4107-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4107
Issue date:        2021-11-02
CVE Names:         CVE-2021-41133 
=====================================================================

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 bypass via recent VFS-manipulating syscalls
(CVE-2021-41133)

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/):

2012245 - CVE-2021-41133 flatpak: Sandbox bypass via recent VFS-manipulating syscalls

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
flatpak-1.6.2-6.el8_2.src.rpm

aarch64:
flatpak-1.6.2-6.el8_2.aarch64.rpm
flatpak-debuginfo-1.6.2-6.el8_2.aarch64.rpm
flatpak-debugsource-1.6.2-6.el8_2.aarch64.rpm
flatpak-libs-1.6.2-6.el8_2.aarch64.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_2.aarch64.rpm
flatpak-session-helper-1.6.2-6.el8_2.aarch64.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_2.aarch64.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_2.aarch64.rpm

noarch:
flatpak-selinux-1.6.2-6.el8_2.noarch.rpm

ppc64le:
flatpak-1.6.2-6.el8_2.ppc64le.rpm
flatpak-debuginfo-1.6.2-6.el8_2.ppc64le.rpm
flatpak-debugsource-1.6.2-6.el8_2.ppc64le.rpm
flatpak-libs-1.6.2-6.el8_2.ppc64le.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_2.ppc64le.rpm
flatpak-session-helper-1.6.2-6.el8_2.ppc64le.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_2.ppc64le.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_2.ppc64le.rpm

s390x:
flatpak-1.6.2-6.el8_2.s390x.rpm
flatpak-debuginfo-1.6.2-6.el8_2.s390x.rpm
flatpak-debugsource-1.6.2-6.el8_2.s390x.rpm
flatpak-libs-1.6.2-6.el8_2.s390x.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_2.s390x.rpm
flatpak-session-helper-1.6.2-6.el8_2.s390x.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_2.s390x.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_2.s390x.rpm

x86_64:
flatpak-1.6.2-6.el8_2.x86_64.rpm
flatpak-debuginfo-1.6.2-6.el8_2.i686.rpm
flatpak-debuginfo-1.6.2-6.el8_2.x86_64.rpm
flatpak-debugsource-1.6.2-6.el8_2.i686.rpm
flatpak-debugsource-1.6.2-6.el8_2.x86_64.rpm
flatpak-libs-1.6.2-6.el8_2.i686.rpm
flatpak-libs-1.6.2-6.el8_2.x86_64.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_2.i686.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_2.x86_64.rpm
flatpak-session-helper-1.6.2-6.el8_2.x86_64.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_2.i686.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_2.x86_64.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_2.i686.rpm
flatpak-tests-debuginfo-1.6.2-6.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-2021-41133
https://access.redhat.com/security/updates/classification/#important
https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=f34z
-----END PGP SIGNATURE-----