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openSUSE Leap 15.3: SUSE-SU-2021:4171-1 Moderate runc Security Fix

opensuse
Calendar Grey December 23, 2021
Dist Opensuse Esm H88
Important openSUSE security patch for runc addresses a significant vulnerability, improving container oversight and protection.
An update that fixes one vulnerability is now available

Description

This update for runc fixes the following issues:

Update to runc v1.0.3.

* CVE-2021-43784: Fixed a potential vulnerability related to the internal

usage

of netlink, which is believed to not be exploitable with any released

versions of runc (bsc#1193436)

* Fixed inability to start a container with read-write bind mount of a

read-only fuse host mount.

* Fixed inability to start when read-only /dev in set in spec.

* Fixed not removing sub-cgroups upon container delete, when rootless

cgroup v2 is used with older systemd.

* Fixed returning error from GetStats when hugetlb is unsupported (which

causes excessive logging for kubernetes).

Topics%20covered

Topics Covered

security advisory software update security fix moderate issue openSUSE container security runc

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-4171=1

Package List

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

runc-1.0.3-27.1

runc-debuginfo-1.0.3-27.1

References

https://www.suse.com/security/cve/CVE-2021-43784.html

https://bugzilla.suse.com/1193436

Announcement ID: openSUSE-SU-2021:4171-1
Rating: moderate
Affected Products: openSUSE Leap 15.3 .

Topics%20covered

Topics Covered

security advisory software update security fix moderate issue openSUSE container security runc

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