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RedHat 8.1: RHSA-2021:4106-01 Important: Flatpak Sandbox Bypass

red hat
Calendar Grey November 2, 2021
Dist Redhat Esm H88
Crucial flatpak security patch for Red Hat Enterprise Linux 8.1 addresses sandbox evasion threat assessed as critical by Red Hat.
An update for flatpak is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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

Summary

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.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux important update sandbox bypass flatpak

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

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/


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

An update for flatpak is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux important update sandbox bypass flatpak

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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