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AUSCERT External Security Bulletin Redistribution
ESB-2021.0652
Security update for qemu
22 February 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: qemu
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20221 CVE-2021-20203 CVE-2021-20181
CVE-2020-11947
Reference: ESB-2021.0614
ESB-2021.0430
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20210521-1
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SUSE Security Update: Security update for qemu
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0521-1
Rating: important
References: #1178049 #1178565 #1179717 #1179719 #1180523 #1181639
#1181933 #1182137
Cross-References: CVE-2020-11947 CVE-2021-20181 CVE-2021-20203 CVE-2021-20221
Affected Products:
SUSE Linux Enterprise Module for Server Applications 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that solves four vulnerabilities and has four fixes is now available.
Description:
This update for qemu fixes the following issues:
o Fixed potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
o Fixed out-of-bound access in iscsi (CVE-2020-11947 bsc#1180523)
o Fixed out-of-bound access in vmxnet3 emulation (CVE-2021-20203 bsc#1181639)
o Fixed out-of-bound access in ARM interrupt handling (CVE-2021-20221 bsc#
1181933)
o Fixed vfio-pci device on s390 enters error state (bsc#1179717 bsc#1179719)
o Fixed "Failed to try-restart qemu-ga@.service" error while updating the
qemu-guest-agent. (bsc#1178565)
o Apply fixes to qemu scsi passthrough with respect to timeout and error
conditions, including using more correct status codes. Add more qemu
tracing which helped track down these issues (bsc#1178049)
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 Server Applications 15-SP2:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-521=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-521=1
Package List:
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64
ppc64le s390x x86_64):
qemu-4.2.1-11.13.1
qemu-block-curl-4.2.1-11.13.1
qemu-block-curl-debuginfo-4.2.1-11.13.1
qemu-block-iscsi-4.2.1-11.13.1
qemu-block-iscsi-debuginfo-4.2.1-11.13.1
qemu-block-rbd-4.2.1-11.13.1
qemu-block-rbd-debuginfo-4.2.1-11.13.1
qemu-block-ssh-4.2.1-11.13.1
qemu-block-ssh-debuginfo-4.2.1-11.13.1
qemu-debuginfo-4.2.1-11.13.1
qemu-debugsource-4.2.1-11.13.1
qemu-guest-agent-4.2.1-11.13.1
qemu-guest-agent-debuginfo-4.2.1-11.13.1
qemu-lang-4.2.1-11.13.1
qemu-ui-spice-app-4.2.1-11.13.1
qemu-ui-spice-app-debuginfo-4.2.1-11.13.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (s390x x86_64):
qemu-kvm-4.2.1-11.13.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (ppc64le):
qemu-ppc-4.2.1-11.13.1
qemu-ppc-debuginfo-4.2.1-11.13.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64):
qemu-arm-4.2.1-11.13.1
qemu-arm-debuginfo-4.2.1-11.13.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
qemu-ipxe-1.0.0+-11.13.1
qemu-microvm-4.2.1-11.13.1
qemu-seabios-1.12.1+-11.13.1
qemu-sgabios-8-11.13.1
qemu-vgabios-1.12.1+-11.13.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (x86_64):
qemu-audio-alsa-4.2.1-11.13.1
qemu-audio-alsa-debuginfo-4.2.1-11.13.1
qemu-audio-pa-4.2.1-11.13.1
qemu-audio-pa-debuginfo-4.2.1-11.13.1
qemu-ui-curses-4.2.1-11.13.1
qemu-ui-curses-debuginfo-4.2.1-11.13.1
qemu-ui-gtk-4.2.1-11.13.1
qemu-ui-gtk-debuginfo-4.2.1-11.13.1
qemu-x86-4.2.1-11.13.1
qemu-x86-debuginfo-4.2.1-11.13.1
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (s390x):
qemu-s390-4.2.1-11.13.1
qemu-s390-debuginfo-4.2.1-11.13.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
qemu-debuginfo-4.2.1-11.13.1
qemu-debugsource-4.2.1-11.13.1
qemu-tools-4.2.1-11.13.1
qemu-tools-debuginfo-4.2.1-11.13.1
References:
o https://www.suse.com/security/cve/CVE-2020-11947.html
o https://www.suse.com/security/cve/CVE-2021-20181.html
o https://www.suse.com/security/cve/CVE-2021-20203.html
o https://www.suse.com/security/cve/CVE-2021-20221.html
o https://bugzilla.suse.com/1178049
o https://bugzilla.suse.com/1178565
o https://bugzilla.suse.com/1179717
o https://bugzilla.suse.com/1179719
o https://bugzilla.suse.com/1180523
o https://bugzilla.suse.com/1181639
o https://bugzilla.suse.com/1181933
o https://bugzilla.suse.com/1182137
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