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Red Hat Enterprise Linux 7 RHSA-2021:4044-01 Important Flatpak Bypass

red hat
Calendar Grey November 1, 2021
Dist Redhat Esm H88
Important flatpak security upgrade for Red Hat Enterprise Linux 7, addressing critical sandbox escape flaws with significant consequences.
An update for flatpak is now available for Red Hat Enterprise Linux 7

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 update important security impact red hat enterprise sandbox bypass flatpak

References

https://access.redhat.com/security/cve/CVE-2021-41133 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: flatpak-1.0.9-12.el7_9.src.rpm
x86_64: flatpak-1.0.9-12.el7_9.x86_64.rpm flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm flatpak-libs-1.0.9-12.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: flatpak-builder-1.0.0-12.el7_9.x86_64.rpm flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm flatpak-devel-1.0.9-12.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: flatpak-1.0.9-12.el7_9.src.rpm
x86_64: flatpak-1.0.9-12.el7_9.x86_64.rpm flatpak-builder-1.0.0-12.el7_9.x86_64.rpm flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm flatpak-devel-1.0.9-12.el7_9.x86_64.rpm flatpak-libs-1.0.9-12.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: flatpak-1.0.9-12.el7_9.src.rpm
ppc64: flatpak-1.0.9-12.el7_9.ppc64.rpm flatpak-debuginfo-1.0.9-12.el7_9.ppc64.rpm flatpak-libs-1.0.9-12.el7_9.ppc64.rpm
ppc64le: flatpak-1.0.9-12.el7_9.ppc64le.rpm flatpak-debuginfo-1.0.9-12.el7_9.ppc64le.rpm flatpak-libs-1.0.9-12.el7_9.ppc64le.rpm
s390x: flatpak-1.0.9-12.el7_9.s390x.rpm flatpak-debuginfo-1.0.9-12.el7_9.s390x.rpm flatpak-libs-1.0.9-12.el7_9.s390x.rpm
x86_64: flatpak-1.0.9-12.el7_9.x86_64.rpm flatpak-debuginfo-1.0.9-12.el7_9.x86_64.rpm flatpak-libs-1.0.9-12.el7_9.x86_64.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4044-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4044
Issue date: 2021-11-01

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 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 update important security impact red hat enterprise sandbox bypass flatpak

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

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

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