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AUSCERT External Security Bulletin Redistribution
ESB-2021.1181
Security update for xen
8 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-28687 CVE-2021-20257 CVE-2021-3308
CVE-2020-28368
Reference: ESB-2021.0404
ESB-2020.4123
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20211023-1
https://www.suse.com/support/update/announcement/2021/suse-su-20211028-1
Comment: This bulletin contains two (2) SUSE security advisories.
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SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1023-1
Rating: important
References: #1027519 #1177112 #1177204 #1178591 #1178736 #1179148
#1181254 #1181989 #1182846 #1183072
Cross-References: CVE-2020-28368 CVE-2021-20257 CVE-2021-28687 CVE-2021-3308
Affected Products:
SUSE Linux Enterprise Software Development Kit 12-SP5
SUSE Linux Enterprise Server 12-SP5
______________________________________________________________________________
An update that solves four vulnerabilities and has 6 fixes is now available.
Description:
This update for xen fixes the following issues:
o CVE-2021-3308: VUL-0: xen: IRQ vector leak on x86 (bsc#1181254, XSA-360)
o CVE-2021-28687: VUL-0: xen: HVM soft-reset crashes toolstack (bsc#1183072,
XSA-368)
o CVE-2021-20257: VUL-0: xen: infinite loop issue in the e1000 NIC emulator
(bsc#1182846)
o CVE-2020-28368: VUL-0: xen: Intel RAPL sidechannel attack aka PLATYPUS
attack aka (bsc#1178591, XSA-351)
o L3: conring size for XEN HV's with huge memory to small. Inital Xen logs
cut (bsc#1177204)
o Kdump of HVM fails, soft-reset not handled by libxl (bsc#1179148)
o OpenQA job causes libvirtd to dump core when running kdump inside domain
(bsc#1181989)
o Allow restart of xenwatchdogd, enable tuning of keep-alive interval and
timeout options via XENWATCHDOGD_ARGS= (bsc#1178736)
o The receiving side did detect holes in a to-be-allocated superpage, but
allocated a superpage anyway. This resulted to over-allocation (bsc#
1177112)
o The receiving side may punch holes incorrectly into optimistically
allocated superpages. Also reduce overhead in bitmap handling (bsc#1177112)
o Upstream bug fixes (bsc#1027519)
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 Software Development Kit 12-SP5:
zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1023=1
o SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1023=1
Package List:
o SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64):
xen-debugsource-4.12.4_09-3.39.3
xen-devel-4.12.4_09-3.39.3
o SUSE Linux Enterprise Server 12-SP5 (x86_64):
xen-4.12.4_09-3.39.3
xen-debugsource-4.12.4_09-3.39.3
xen-doc-html-4.12.4_09-3.39.3
xen-libs-32bit-4.12.4_09-3.39.3
xen-libs-4.12.4_09-3.39.3
xen-libs-debuginfo-32bit-4.12.4_09-3.39.3
xen-libs-debuginfo-4.12.4_09-3.39.3
xen-tools-4.12.4_09-3.39.3
xen-tools-debuginfo-4.12.4_09-3.39.3
xen-tools-domU-4.12.4_09-3.39.3
xen-tools-domU-debuginfo-4.12.4_09-3.39.3
References:
o https://www.suse.com/security/cve/CVE-2020-28368.html
o https://www.suse.com/security/cve/CVE-2021-20257.html
o https://www.suse.com/security/cve/CVE-2021-28687.html
o https://www.suse.com/security/cve/CVE-2021-3308.html
o https://bugzilla.suse.com/1027519
o https://bugzilla.suse.com/1177112
o https://bugzilla.suse.com/1177204
o https://bugzilla.suse.com/1178591
o https://bugzilla.suse.com/1178736
o https://bugzilla.suse.com/1179148
o https://bugzilla.suse.com/1181254
o https://bugzilla.suse.com/1181989
o https://bugzilla.suse.com/1182846
o https://bugzilla.suse.com/1183072
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:1028-1
Rating: important
References: #1027519 #1177204 #1179148 #1180690 #1181254 #1181989
#1182576 #1183072
Cross-References: CVE-2021-28687 CVE-2021-3308
Affected Products:
SUSE MicroOS 5.0
SUSE Linux Enterprise Module for Server Applications 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that solves two vulnerabilities and has 6 fixes is now available.
Description:
This update for xen fixes the following issues:
o CVE-2021-3308: VUL-0: xen: IRQ vector leak on x86 (bsc#1181254, XSA-360)
o CVE-2021-28687: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368)
o L3: conring size for XEN HV's with huge memory to small. Inital Xen logs
cut (bsc#1177204)
o L3: XEN domU crashed on resume when using the xl unpause command (bsc#
1182576)
o L3: xen: no needsreboot flag set (bsc#1180690)
o kdump of HVM fails, soft-reset not handled by libxl (bsc#1179148)
o openQA job causes libvirtd to dump core when running kdump inside domain
(bsc#1181989)
o Upstream bug fixes (bsc#1027519)
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 MicroOS 5.0:
zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-1028=1
o SUSE Linux Enterprise Module for Server Applications 15-SP2:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-1028=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1028=1
Package List:
o SUSE MicroOS 5.0 (x86_64):
xen-debugsource-4.13.2_08-3.25.3
xen-libs-4.13.2_08-3.25.3
xen-libs-debuginfo-4.13.2_08-3.25.3
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (x86_64):
xen-4.13.2_08-3.25.3
xen-debugsource-4.13.2_08-3.25.3
xen-devel-4.13.2_08-3.25.3
xen-tools-4.13.2_08-3.25.3
xen-tools-debuginfo-4.13.2_08-3.25.3
o SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
xen-tools-xendomains-wait-disk-4.13.2_08-3.25.3
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64):
xen-debugsource-4.13.2_08-3.25.3
xen-libs-4.13.2_08-3.25.3
xen-libs-debuginfo-4.13.2_08-3.25.3
xen-tools-domU-4.13.2_08-3.25.3
xen-tools-domU-debuginfo-4.13.2_08-3.25.3
References:
o https://www.suse.com/security/cve/CVE-2021-28687.html
o https://www.suse.com/security/cve/CVE-2021-3308.html
o https://bugzilla.suse.com/1027519
o https://bugzilla.suse.com/1177204
o https://bugzilla.suse.com/1179148
o https://bugzilla.suse.com/1180690
o https://bugzilla.suse.com/1181254
o https://bugzilla.suse.com/1181989
o https://bugzilla.suse.com/1182576
o https://bugzilla.suse.com/1183072
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