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AUSCERT External Security Bulletin Redistribution
ESB-2021.2343
Security update for kubevirt
9 July 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: kubevirt
Publisher: SUSE
Operating System: SUSE
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20286
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20212274-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than SUSE. It is recommended that administrators
running kubevirt check for an updated version of the software for
their operating system.
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SUSE Security Update: Security update for kubevirt
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:2274-1
Rating: moderate
References:
Cross-References: CVE-2021-20286
Affected Products:
SUSE Linux Enterprise Module for Containers 15-SP3
SUSE Linux Enterprise Module for Containers 15-SP2
______________________________________________________________________________
An update that fixes one vulnerability, contains three features is now
available.
Description:
This update for kubevirt fixes the following issues:
General:
o Updated kubevirt to version 0.40.0
o Fixed an issue when calling `virsh-domcapabilities`
o Fixed the the wrong registry path for containers.
Security fixes:
o CVE-2021-20286: A flaw was found in libnbd 1.7.3. An assertion failure in
nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.
Patch Instructions:
To install this SUSE 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:
o SUSE Linux Enterprise Module for Containers 15-SP3:
zypper in -t patch SUSE-SLE-Module-Containers-15-SP3-2021-2274=1
o SUSE Linux Enterprise Module for Containers 15-SP2:
zypper in -t patch SUSE-SLE-Module-Containers-15-SP2-2021-2274=1
Package List:
o SUSE Linux Enterprise Module for Containers 15-SP3 (x86_64):
kubevirt-virtctl-0.40.0-5.11.2
kubevirt-virtctl-debuginfo-0.40.0-5.11.2
o SUSE Linux Enterprise Module for Containers 15-SP2 (x86_64):
kubevirt-virtctl-0.40.0-5.11.2
kubevirt-virtctl-debuginfo-0.40.0-5.11.2
References:
o https://www.suse.com/security/cve/CVE-2021-20286.html
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