[SECURITY] [DSA 4984-1] flatpak security update
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Debian Security Advisory DSA-4984-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
October 12, 2021 https://www.debian.org/security/faq
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Package : flatpak
CVE ID : CVE-2021-41133
Debian Bug : 995935
It was discovered that sandbox restrictions in Flatpak, an application
deployment framework for desktop apps, could be bypassed for a Flatpak
app with direct access to AF_UNIX sockets, by manipulating the VFS using
mount-related syscalls that are not blocked by Flatpak's denylist
seccomp filter.
Details can be found in the upstream advisory at
https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q
For the stable distribution (bullseye), this problem has been fixed in
version 1.10.5-0+deb11u1.
We recommend that you upgrade your flatpak packages.
For the detailed security status of flatpak please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/flatpak
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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