From: Peter Korsgaard <peter@korsgaard.com>
To: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: "Yann E . MORIN" <yann.morin.1998@free.fr>,
Christian Stewart via buildroot <buildroot@buildroot.org>
Subject: Re: [Buildroot] [PATCH 1/1] package/containerd: security bump to version 1.5.9
Date: Fri, 28 Jan 2022 22:07:48 +0100 [thread overview]
Message-ID: <87mtjf4li3.fsf@dell.be.48ers.dk> (raw)
In-Reply-To: <20220126222309.44ad5b0f@windsurf> (Thomas Petazzoni's message of "Wed, 26 Jan 2022 22:23:09 +0100")
>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni@bootlin.com> writes:
> 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(-)
Committed to 2021.11.x, thanks (2021.02.x not affected).
--
Bye, Peter Korsgaard
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prev parent reply other threads:[~2022-01-28 21:07 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
2022-01-28 21:07 ` Peter Korsgaard [this message]
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