Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Security Measurement
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Insights
Or troubleshoot an issue.

Select Your Language

  • English
  • Français
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat build of Keycloak
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHSA-2021:4044 - Security Advisory
Issued:
2021-11-01
Updated:
2021-11-01

RHSA-2021:4044 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: flatpak security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for flatpak is now available for Red Hat Enterprise Linux 7.

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.

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.

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

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

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

CVEs

  • CVE-2021-41133

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
x86_64
flatpak-1.0.9-12.el7_9.x86_64.rpm SHA-256: 80cffc2a3e9d14ca69bbadb0dc9569ca8649b4f479b6c1ff85717508361a8127
flatpak-builder-1.0.0-12.el7_9.x86_64.rpm SHA-256: cb3c7052c2d9cc30e036239f6f49b87ce6533cc166068797ecbfadfa880567ab
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-devel-1.0.9-12.el7_9.x86_64.rpm SHA-256: bf00792da09d453124a48e49bde714957026100c5f87819b56471c9e67439e6d
flatpak-libs-1.0.9-12.el7_9.x86_64.rpm SHA-256: db1b30fbd1326282f717d1cd00ae5fdda6cadecf66a62a873525af0578160b75

Red Hat Enterprise Linux Server - Extended Life Cycle Support 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
x86_64
flatpak-1.0.9-12.el7_9.x86_64.rpm SHA-256: 80cffc2a3e9d14ca69bbadb0dc9569ca8649b4f479b6c1ff85717508361a8127
flatpak-builder-1.0.0-12.el7_9.x86_64.rpm SHA-256: cb3c7052c2d9cc30e036239f6f49b87ce6533cc166068797ecbfadfa880567ab
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-devel-1.0.9-12.el7_9.x86_64.rpm SHA-256: bf00792da09d453124a48e49bde714957026100c5f87819b56471c9e67439e6d
flatpak-libs-1.0.9-12.el7_9.x86_64.rpm SHA-256: db1b30fbd1326282f717d1cd00ae5fdda6cadecf66a62a873525af0578160b75

Red Hat Enterprise Linux Workstation 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
x86_64
flatpak-1.0.9-12.el7_9.x86_64.rpm SHA-256: 80cffc2a3e9d14ca69bbadb0dc9569ca8649b4f479b6c1ff85717508361a8127
flatpak-builder-1.0.0-12.el7_9.x86_64.rpm SHA-256: cb3c7052c2d9cc30e036239f6f49b87ce6533cc166068797ecbfadfa880567ab
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-devel-1.0.9-12.el7_9.x86_64.rpm SHA-256: bf00792da09d453124a48e49bde714957026100c5f87819b56471c9e67439e6d
flatpak-libs-1.0.9-12.el7_9.x86_64.rpm SHA-256: db1b30fbd1326282f717d1cd00ae5fdda6cadecf66a62a873525af0578160b75

Red Hat Enterprise Linux Desktop 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
x86_64
flatpak-1.0.9-12.el7_9.x86_64.rpm SHA-256: 80cffc2a3e9d14ca69bbadb0dc9569ca8649b4f479b6c1ff85717508361a8127
flatpak-builder-1.0.0-12.el7_9.x86_64.rpm SHA-256: cb3c7052c2d9cc30e036239f6f49b87ce6533cc166068797ecbfadfa880567ab
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-devel-1.0.9-12.el7_9.x86_64.rpm SHA-256: bf00792da09d453124a48e49bde714957026100c5f87819b56471c9e67439e6d
flatpak-libs-1.0.9-12.el7_9.x86_64.rpm SHA-256: db1b30fbd1326282f717d1cd00ae5fdda6cadecf66a62a873525af0578160b75

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
s390x
flatpak-1.0.9-12.el7_9.s390x.rpm SHA-256: 36773f48aba12b92ebe276fa546ddde77a97b135c9c8bbb3a61278c24d1ad63a
flatpak-builder-1.0.0-12.el7_9.s390x.rpm SHA-256: 072b8345590c2367cbf7390294621711037c47a46bf601ad755f174550a74394
flatpak-debuginfo-1.0.9-12.el7_9.s390x.rpm SHA-256: dbc343ae504148c68ba795f8e8f8f3dcb49886a4b39d8766d3772c49eb4c3ff9
flatpak-debuginfo-1.0.9-12.el7_9.s390x.rpm SHA-256: dbc343ae504148c68ba795f8e8f8f3dcb49886a4b39d8766d3772c49eb4c3ff9
flatpak-devel-1.0.9-12.el7_9.s390x.rpm SHA-256: 2d24c12ad8133e1ac1beb990bc21a5cf6a5a4f1206acc8b391cc7155620dc6dc
flatpak-libs-1.0.9-12.el7_9.s390x.rpm SHA-256: d7a788d930d88c7a05f0f20f727a9802417ebf3915199c37eafa7417c11587f3

Red Hat Enterprise Linux for Power, big endian 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
ppc64
flatpak-1.0.9-12.el7_9.ppc64.rpm SHA-256: 7540fa0ea5b6a84d3daa1e7ffa8bdccb62bb2b97755ec5abd91b49858090e5a5
flatpak-builder-1.0.0-12.el7_9.ppc64.rpm SHA-256: fe965ec8b5fa5dd0fa88644bbd5b91febfbfd161b55a89271dd1de8a9f15cc4e
flatpak-debuginfo-1.0.9-12.el7_9.ppc64.rpm SHA-256: a4329b6b692c43758e623ff2b38e19266cc681d1ec956e93fbedb680deeeb2a7
flatpak-debuginfo-1.0.9-12.el7_9.ppc64.rpm SHA-256: a4329b6b692c43758e623ff2b38e19266cc681d1ec956e93fbedb680deeeb2a7
flatpak-devel-1.0.9-12.el7_9.ppc64.rpm SHA-256: 5d13b336d598a3fc6f79dca71c645c9e6e9c0c007f7a250c9ca8075f94a0596f
flatpak-libs-1.0.9-12.el7_9.ppc64.rpm SHA-256: 3f2182d99049a68912fd35bad3a8e893a4716a03d4f68c672f8829365f0b7edf

Red Hat Enterprise Linux for Scientific Computing 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
x86_64
flatpak-1.0.9-12.el7_9.x86_64.rpm SHA-256: 80cffc2a3e9d14ca69bbadb0dc9569ca8649b4f479b6c1ff85717508361a8127
flatpak-builder-1.0.0-12.el7_9.x86_64.rpm SHA-256: cb3c7052c2d9cc30e036239f6f49b87ce6533cc166068797ecbfadfa880567ab
flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm SHA-256: afdcc7781f4c31041d507f6b3ca38c55340c754d26edbf55be904996771a9d05
flatpak-devel-1.0.9-12.el7_9.x86_64.rpm SHA-256: bf00792da09d453124a48e49bde714957026100c5f87819b56471c9e67439e6d
flatpak-libs-1.0.9-12.el7_9.x86_64.rpm SHA-256: db1b30fbd1326282f717d1cd00ae5fdda6cadecf66a62a873525af0578160b75

Red Hat Enterprise Linux for Power, little endian 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
ppc64le
flatpak-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 5cc35e294fd6a2656a2d4c4b45d05d2ca67a32784c714f502c7f3ac0a824336b
flatpak-builder-1.0.0-12.el7_9.ppc64le.rpm SHA-256: e8798a95e92f0697d7a9da29b7b5ff1b641f2eea4fe34bdd68747622a506c798
flatpak-debuginfo-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 8bdfb53c5af573cc3da6cf5e213e9c8b21ab25c42f99a291fabe6b3c7cb71ea9
flatpak-debuginfo-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 8bdfb53c5af573cc3da6cf5e213e9c8b21ab25c42f99a291fabe6b3c7cb71ea9
flatpak-devel-1.0.9-12.el7_9.ppc64le.rpm SHA-256: c7c6c78ac6dc0f3bcfce58cded9b875d3d5f425f7dc97e545396b9f2ded3642a
flatpak-libs-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 61179f8c1e433b512ba66b0262c2f93d23949b6a04864fed0d17c9f271b39ab0

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
s390x
flatpak-1.0.9-12.el7_9.s390x.rpm SHA-256: 36773f48aba12b92ebe276fa546ddde77a97b135c9c8bbb3a61278c24d1ad63a
flatpak-builder-1.0.0-12.el7_9.s390x.rpm SHA-256: 072b8345590c2367cbf7390294621711037c47a46bf601ad755f174550a74394
flatpak-debuginfo-1.0.9-12.el7_9.s390x.rpm SHA-256: dbc343ae504148c68ba795f8e8f8f3dcb49886a4b39d8766d3772c49eb4c3ff9
flatpak-debuginfo-1.0.9-12.el7_9.s390x.rpm SHA-256: dbc343ae504148c68ba795f8e8f8f3dcb49886a4b39d8766d3772c49eb4c3ff9
flatpak-devel-1.0.9-12.el7_9.s390x.rpm SHA-256: 2d24c12ad8133e1ac1beb990bc21a5cf6a5a4f1206acc8b391cc7155620dc6dc
flatpak-libs-1.0.9-12.el7_9.s390x.rpm SHA-256: d7a788d930d88c7a05f0f20f727a9802417ebf3915199c37eafa7417c11587f3

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
ppc64
flatpak-1.0.9-12.el7_9.ppc64.rpm SHA-256: 7540fa0ea5b6a84d3daa1e7ffa8bdccb62bb2b97755ec5abd91b49858090e5a5
flatpak-builder-1.0.0-12.el7_9.ppc64.rpm SHA-256: fe965ec8b5fa5dd0fa88644bbd5b91febfbfd161b55a89271dd1de8a9f15cc4e
flatpak-debuginfo-1.0.9-12.el7_9.ppc64.rpm SHA-256: a4329b6b692c43758e623ff2b38e19266cc681d1ec956e93fbedb680deeeb2a7
flatpak-debuginfo-1.0.9-12.el7_9.ppc64.rpm SHA-256: a4329b6b692c43758e623ff2b38e19266cc681d1ec956e93fbedb680deeeb2a7
flatpak-devel-1.0.9-12.el7_9.ppc64.rpm SHA-256: 5d13b336d598a3fc6f79dca71c645c9e6e9c0c007f7a250c9ca8075f94a0596f
flatpak-libs-1.0.9-12.el7_9.ppc64.rpm SHA-256: 3f2182d99049a68912fd35bad3a8e893a4716a03d4f68c672f8829365f0b7edf

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7

SRPM
flatpak-1.0.9-12.el7_9.src.rpm SHA-256: f83814c351ccac71d465b3aa0701263bab278bea5ac6296622bfd140a8dd2ed2
ppc64le
flatpak-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 5cc35e294fd6a2656a2d4c4b45d05d2ca67a32784c714f502c7f3ac0a824336b
flatpak-builder-1.0.0-12.el7_9.ppc64le.rpm SHA-256: e8798a95e92f0697d7a9da29b7b5ff1b641f2eea4fe34bdd68747622a506c798
flatpak-debuginfo-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 8bdfb53c5af573cc3da6cf5e213e9c8b21ab25c42f99a291fabe6b3c7cb71ea9
flatpak-debuginfo-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 8bdfb53c5af573cc3da6cf5e213e9c8b21ab25c42f99a291fabe6b3c7cb71ea9
flatpak-devel-1.0.9-12.el7_9.ppc64le.rpm SHA-256: c7c6c78ac6dc0f3bcfce58cded9b875d3d5f425f7dc97e545396b9f2ded3642a
flatpak-libs-1.0.9-12.el7_9.ppc64le.rpm SHA-256: 61179f8c1e433b512ba66b0262c2f93d23949b6a04864fed0d17c9f271b39ab0

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

Red Hat X (formerly Twitter)

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2025 Red Hat, Inc.

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility