openSUSE Security Update: Security update for lxc
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Announcement ID: openSUSE-SU-2019:2286-1
Rating: moderate
References: #1131762
Cross-References: CVE-2019-5736
Affected Products:
openSUSE Backports SLE-15-SP1
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An update that fixes one vulnerability is now available.

Description:

This update for lxc fixes the following issues:

Update to lxc 3.2.1. The changelog can be found at

https://discuss.linuxcontainers.org/t/lxc-3-2-1-has-been-released/5322

+ seccomp: support syscall forwarding to userspace
+ add lxc.seccomp.allow_nesting
+ pidfd: Add initial support for the new pidfd api
* Many hardening improvements.
* Use /sys/kernel/cgroup/delegate file for cgroup v2.
* Fix CVE-2019-5736 equivalent bug.

– fix apparmor dropin to be compatible with LXC 3.1.0 (boo#1131762) This
update was imported from the openSUSE:Leap:15.1:Update update project.

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 Backports SLE-15-SP1:

zypper in -t patch openSUSE-2019-2286=1

Package List:

– openSUSE Backports SLE-15-SP1 (aarch64 ppc64le s390x x86_64):

liblxc-devel-3.2.1-bp151.5.3.1
liblxc1-3.2.1-bp151.5.3.1
lxc-3.2.1-bp151.5.3.1
pam_cgfs-3.2.1-bp151.5.3.1

– openSUSE Backports SLE-15-SP1 (noarch):

lxc-bash-completion-3.2.1-bp151.5.3.1

References:

https://www.suse.com/security/cve/CVE-2019-5736.html
https://bugzilla.suse.com/1131762

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