Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.2998
Security update for xen
7 September 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Unauthorised Access -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-28699 CVE-2021-28698 CVE-2021-28697
CVE-2021-28696 CVE-2021-28695 CVE-2021-28694
CVE-2021-28692 CVE-2021-28690 CVE-2021-20255
CVE-2021-3595 CVE-2021-3594 CVE-2021-3592
CVE-2021-0089
Reference: ESB-2021.2987
ESB-2021.2970
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20212957-1
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:2957-1
Rating: important
References: #1182654 #1186429 #1186433 #1186434 #1187369 #1187376
#1187378 #1189373 #1189376 #1189378 #1189380 #1189882
Cross-References: CVE-2021-0089 CVE-2021-20255 CVE-2021-28690 CVE-2021-28692
CVE-2021-28694 CVE-2021-28695 CVE-2021-28696 CVE-2021-28697
CVE-2021-28698 CVE-2021-28699 CVE-2021-3592 CVE-2021-3594
CVE-2021-3595
Affected Products:
SUSE OpenStack Cloud Crowbar 8
SUSE OpenStack Cloud 8
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server 12-SP3-LTSS
SUSE Linux Enterprise Server 12-SP3-BCL
HPE Helion Openstack 8
______________________________________________________________________________
An update that fixes 13 vulnerabilities is now available.
Description:
This update for xen fixes the following issues:
o CVE-2021-3594: slirp: invalid pointer initialization may lead to
information disclosure (udp)(bsc#1187378).
o CVE-2021-3595: slirp: invalid pointer initialization may lead to
information disclosure (tftp)(bsc#1187376).
o CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#
1189378).
o CVE-2021-28699: inadequate grant-v2 status frames array bounds check
(XSA-382)(bsc#1189380).
o CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100
(bsc#1182654)
o CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3
(bsc#1186434)
o CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling
(bsc#1186429)
o CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on
x86 (XSA-378)(bsc#1189373).
o CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)
o CVE-2021-28697: grant table v2 status pages may remain accessible after
de-allocation (XSA-379)(bsc#1189376).
o CVE-2021-3592: slirp: invalid pointer initialization may lead to
information disclosure (bootp)(bsc#1187369).
o Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#
1189882).
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 OpenStack Cloud Crowbar 8:
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-2957=1
o SUSE OpenStack Cloud 8:
zypper in -t patch SUSE-OpenStack-Cloud-8-2021-2957=1
o SUSE Linux Enterprise Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-2957=1
o SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-2957=1
o SUSE Linux Enterprise Server 12-SP3-BCL:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-2957=1
o HPE Helion Openstack 8:
zypper in -t patch HPE-Helion-OpenStack-8-2021-2957=1
Package List:
o SUSE OpenStack Cloud Crowbar 8 (x86_64):
xen-4.9.4_20-3.91.1
xen-debugsource-4.9.4_20-3.91.1
xen-doc-html-4.9.4_20-3.91.1
xen-libs-32bit-4.9.4_20-3.91.1
xen-libs-4.9.4_20-3.91.1
xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
xen-libs-debuginfo-4.9.4_20-3.91.1
xen-tools-4.9.4_20-3.91.1
xen-tools-debuginfo-4.9.4_20-3.91.1
xen-tools-domU-4.9.4_20-3.91.1
xen-tools-domU-debuginfo-4.9.4_20-3.91.1
o SUSE OpenStack Cloud 8 (x86_64):
xen-4.9.4_20-3.91.1
xen-debugsource-4.9.4_20-3.91.1
xen-doc-html-4.9.4_20-3.91.1
xen-libs-32bit-4.9.4_20-3.91.1
xen-libs-4.9.4_20-3.91.1
xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
xen-libs-debuginfo-4.9.4_20-3.91.1
xen-tools-4.9.4_20-3.91.1
xen-tools-debuginfo-4.9.4_20-3.91.1
xen-tools-domU-4.9.4_20-3.91.1
xen-tools-domU-debuginfo-4.9.4_20-3.91.1
o SUSE Linux Enterprise Server for SAP 12-SP3 (x86_64):
xen-4.9.4_20-3.91.1
xen-debugsource-4.9.4_20-3.91.1
xen-doc-html-4.9.4_20-3.91.1
xen-libs-32bit-4.9.4_20-3.91.1
xen-libs-4.9.4_20-3.91.1
xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
xen-libs-debuginfo-4.9.4_20-3.91.1
xen-tools-4.9.4_20-3.91.1
xen-tools-debuginfo-4.9.4_20-3.91.1
xen-tools-domU-4.9.4_20-3.91.1
xen-tools-domU-debuginfo-4.9.4_20-3.91.1
o SUSE Linux Enterprise Server 12-SP3-LTSS (x86_64):
xen-4.9.4_20-3.91.1
xen-debugsource-4.9.4_20-3.91.1
xen-doc-html-4.9.4_20-3.91.1
xen-libs-32bit-4.9.4_20-3.91.1
xen-libs-4.9.4_20-3.91.1
xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
xen-libs-debuginfo-4.9.4_20-3.91.1
xen-tools-4.9.4_20-3.91.1
xen-tools-debuginfo-4.9.4_20-3.91.1
xen-tools-domU-4.9.4_20-3.91.1
xen-tools-domU-debuginfo-4.9.4_20-3.91.1
o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
xen-4.9.4_20-3.91.1
xen-debugsource-4.9.4_20-3.91.1
xen-doc-html-4.9.4_20-3.91.1
xen-libs-32bit-4.9.4_20-3.91.1
xen-libs-4.9.4_20-3.91.1
xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
xen-libs-debuginfo-4.9.4_20-3.91.1
xen-tools-4.9.4_20-3.91.1
xen-tools-debuginfo-4.9.4_20-3.91.1
xen-tools-domU-4.9.4_20-3.91.1
xen-tools-domU-debuginfo-4.9.4_20-3.91.1
o HPE Helion Openstack 8 (x86_64):
xen-4.9.4_20-3.91.1
xen-debugsource-4.9.4_20-3.91.1
xen-doc-html-4.9.4_20-3.91.1
xen-libs-32bit-4.9.4_20-3.91.1
xen-libs-4.9.4_20-3.91.1
xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
xen-libs-debuginfo-4.9.4_20-3.91.1
xen-tools-4.9.4_20-3.91.1
xen-tools-debuginfo-4.9.4_20-3.91.1
xen-tools-domU-4.9.4_20-3.91.1
xen-tools-domU-debuginfo-4.9.4_20-3.91.1
References:
o https://www.suse.com/security/cve/CVE-2021-0089.html
o https://www.suse.com/security/cve/CVE-2021-20255.html
o https://www.suse.com/security/cve/CVE-2021-28690.html
o https://www.suse.com/security/cve/CVE-2021-28692.html
o https://www.suse.com/security/cve/CVE-2021-28694.html
o https://www.suse.com/security/cve/CVE-2021-28695.html
o https://www.suse.com/security/cve/CVE-2021-28696.html
o https://www.suse.com/security/cve/CVE-2021-28697.html
o https://www.suse.com/security/cve/CVE-2021-28698.html
o https://www.suse.com/security/cve/CVE-2021-28699.html
o https://www.suse.com/security/cve/CVE-2021-3592.html
o https://www.suse.com/security/cve/CVE-2021-3594.html
o https://www.suse.com/security/cve/CVE-2021-3595.html
o https://bugzilla.suse.com/1182654
o https://bugzilla.suse.com/1186429
o https://bugzilla.suse.com/1186433
o https://bugzilla.suse.com/1186434
o https://bugzilla.suse.com/1187369
o https://bugzilla.suse.com/1187376
o https://bugzilla.suse.com/1187378
o https://bugzilla.suse.com/1189373
o https://bugzilla.suse.com/1189376
o https://bugzilla.suse.com/1189378
o https://bugzilla.suse.com/1189380
o https://bugzilla.suse.com/1189882
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=72Eb
-----END PGP SIGNATURE-----