[RHSA-2021:4106-01] 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-2021:4106-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4106
Issue date:        2021-11-02
CVE Names:         CVE-2021-41133 
=====================================================================

1. Summary:

An update for flatpak is now available for Red Hat Enterprise Linux 8.1
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. 8.1) - aarch64, 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. 8.1):

Source:
flatpak-1.0.9-5.el8_1.src.rpm

aarch64:
flatpak-1.0.9-5.el8_1.aarch64.rpm
flatpak-debuginfo-1.0.9-5.el8_1.aarch64.rpm
flatpak-debugsource-1.0.9-5.el8_1.aarch64.rpm
flatpak-libs-1.0.9-5.el8_1.aarch64.rpm
flatpak-libs-debuginfo-1.0.9-5.el8_1.aarch64.rpm

ppc64le:
flatpak-1.0.9-5.el8_1.ppc64le.rpm
flatpak-debuginfo-1.0.9-5.el8_1.ppc64le.rpm
flatpak-debugsource-1.0.9-5.el8_1.ppc64le.rpm
flatpak-libs-1.0.9-5.el8_1.ppc64le.rpm
flatpak-libs-debuginfo-1.0.9-5.el8_1.ppc64le.rpm

s390x:
flatpak-1.0.9-5.el8_1.s390x.rpm
flatpak-debuginfo-1.0.9-5.el8_1.s390x.rpm
flatpak-debugsource-1.0.9-5.el8_1.s390x.rpm
flatpak-libs-1.0.9-5.el8_1.s390x.rpm
flatpak-libs-debuginfo-1.0.9-5.el8_1.s390x.rpm

x86_64:
flatpak-1.0.9-5.el8_1.x86_64.rpm
flatpak-debuginfo-1.0.9-5.el8_1.i686.rpm
flatpak-debuginfo-1.0.9-5.el8_1.x86_64.rpm
flatpak-debugsource-1.0.9-5.el8_1.i686.rpm
flatpak-debugsource-1.0.9-5.el8_1.x86_64.rpm
flatpak-libs-1.0.9-5.el8_1.i686.rpm
flatpak-libs-1.0.9-5.el8_1.x86_64.rpm
flatpak-libs-debuginfo-1.0.9-5.el8_1.i686.rpm
flatpak-libs-debuginfo-1.0.9-5.el8_1.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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=gM9I
-----END PGP SIGNATURE-----