From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: Christian Stewart via buildroot <buildroot@buildroot.org>
Cc: "Yann E . MORIN" <yann.morin.1998@free.fr>
Subject: Re: [Buildroot] [PATCH 1/1] package/containerd: security bump to version 1.5.9
Date: Wed, 26 Jan 2022 22:23:09 +0100 [thread overview]
Message-ID: <20220126222309.44ad5b0f@windsurf> (raw)
In-Reply-To: <20220124071453.16225-1-christian@paral.in>
On Sun, 23 Jan 2022 23:14:53 -0800
Christian Stewart via buildroot <buildroot@buildroot.org> wrote:
> CVE-2021-43816: "Unprivileged pod using `hostPath` can side-step active LSM when
> it is SELinux"
>
> Containers launched through containerd’s CRI implementation on Linux systems
> which use the SELinux security module and containerd versions since v1.5.0 can
> cause arbitrary files and directories on the host to be relabeled to match the
> container process label through the use of specially-configured bind mounts in a
> hostPath volume. This relabeling elevates permissions for the container,
> granting full read/write access over the affected files and directories.
> Kubernetes and crictl can both be configured to use containerd’s CRI
> implementation.
>
> https://github.com/advisories/GHSA-mvff-h3cj-wj9c
> https://github.com/containerd/containerd/releases/tag/v1.5.9
>
> Signed-off-by: Christian Stewart <christian@paral.in>
> ---
> package/containerd/containerd.hash | 2 +-
> package/containerd/containerd.mk | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
Applied to master, thanks.
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2022-01-26 21:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-24 7:14 [Buildroot] [PATCH 1/1] package/containerd: security bump to version 1.5.9 Christian Stewart via buildroot
2022-01-26 21:23 ` Thomas Petazzoni [this message]
2022-01-28 21:07 ` Peter Korsgaard
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