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ALSA-2021:4042 — Important: flatpak security update

Affected: AlmaLinux:8: flatpak, AlmaLinux:8: flatpak-libs, AlmaLinux:8: flatpak-selinux, AlmaLinux:8: flatpak-session-helper

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.

bdu:2022-00259

CLEANSTART-2024-JX19003 — Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux

Affected: CleanStart: flatpak

Security vulnerability affects the flatpak package. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.

cnvd-2021-103405

EUVD-2026-31485

fkie_cve-2021-41133

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct access to AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can trick portals and other host-OS services into treating the Flatpak app as though it was an ordinary, non-sandboxed host-OS process. They can do this by manipulating the VFS using recent mount-related syscalls that are not blocked by Flatpak's denylist seccomp filter, in order to substitute a crafted `/.flatpak-info` or make that file disappear entirely. Flatpak apps that act as clients for AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can escalate the privileges that the corresponding services will believe the Flatpak app has. Note that protocols that operate entirely over the D-Bus session bus (user bus), system bus or accessibility bus are not affected by this. This is due to the use of a proxy process `xdg-dbus-proxy`, whose VFS cannot be manipulated by the Flatpak app, when interacting with these buses. Patches exist for versions 1.10.4 and 1.12.0, and as of time of publication, a patch for version 1.8.2 is being planned. There are no workarounds aside from upgrading to a patched version.

gsd-2021-41133

OESA-2021-1404 — flatpak security update

Affected: openEuler:20.03-LTS-SP1: flatpak, openEuler:20.03-LTS-SP2: flatpak

flatpak is a system for building, distributing and running sandboxed desktop applications on Linux. Security Fix(es): In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct access to AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can trick portals and other host-OS services into treating the Flatpak app as though it was an ordinary, non-sandboxed host-OS process. They can do this by manipulating the VFS using recent mount-related syscalls that are not blocked by Flatpak's denylist seccomp filter, in order to substitute a crafted `/.flatpak-info` or make that file disappear entirely. Flatpak apps that act as clients for AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can escalate the privileges that the corresponding services will believe the Flatpak app has. Note that protocols that operate entirely over the D-Bus session bus (user bus), system bus or accessibility bus are not affected by this. This is due to the use of a proxy process `xdg-dbus-proxy`, whose VFS cannot be manipulated by the Flatpak app, when interacting with these buses. Patches exist for versions 1.10.4 and 1.12.0, and as of time of publication, a patch for version 1.8.2 is being planned. There are no workarounds aside from upgrading to a patched version.(CVE-2021-41133)

openSUSE-SU-2021:1400-1 — Security update for flatpak

Security update for flatpak

RHSA-2021:4106 — Red Hat Security Advisory: flatpak security update

flatpak: Sandbox bypass via recent VFS-manipulating syscalls

SUSE-SU-2021:3472-1 — Security update for flatpak

Security update for flatpak

UBUNTU-CVE-2021-41133

Affected: Ubuntu:18.04:LTS: flatpak, Ubuntu:20.04:LTS: flatpak

WID-SEC-W-2022-0302 — Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administrator…

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen oder Dateien zu manipulieren.