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AUSCERT External Security Bulletin Redistribution
ESB-2020.2696
Security update for xen
6 August 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Impact/Access: Root Compromise -- Existing Account
Increased Privileges -- Existing Account
Access Privileged Data -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11742 CVE-2020-11741 CVE-2020-11740
CVE-2020-8608 CVE-2020-7211 CVE-2019-19583
CVE-2019-19580 CVE-2019-19579 CVE-2019-19578
CVE-2019-19577 CVE-2019-18425 CVE-2019-18424
CVE-2019-18421 CVE-2019-18420 CVE-2019-11135
CVE-2018-12207
Reference: ASB-2020.0047
ASB-2019.0330
ESB-2020.2546
ESB-2020.2544
ESB-2020.2364
ESB-2020.1575
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-202014444-1
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SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:14444-1
Rating: important
References: #1152497 #1154448 #1154456 #1154458 #1154461 #1155945
#1157888 #1158004 #1158005 #1158006 #1158007 #1161181
#1163019 #1168140 #1169392 #1174543
Cross-References: CVE-2018-12207 CVE-2019-11135 CVE-2019-18420 CVE-2019-18421
CVE-2019-18424 CVE-2019-18425 CVE-2019-19577 CVE-2019-19578
CVE-2019-19579 CVE-2019-19580 CVE-2019-19583 CVE-2020-11740
CVE-2020-11741 CVE-2020-11742 CVE-2020-7211 CVE-2020-8608
Affected Products:
SUSE Linux Enterprise Server 11-SP4-LTSS
SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________
An update that fixes 16 vulnerabilities is now available.
Description:
This update for xen fixes the following issues:
o bsc#1174543 - secure boot related fixes
o bsc#1163019 - CVE-2020-8608: potential OOB access due to unsafe snprintf()
usages
o bsc#1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
o bsc#1168140 - CVE-2020-11740, CVE-2020-11741: multiple xenoprof issues
o bsc#1161181 - CVE-2020-7211: potential directory traversal using relative
paths via tftp server on Windows host
o bsc#1157888 - CVE-2019-19579: Device quarantine for alternate pci
assignment methods
o bsc#1158004 - CVE-2019-19583: VMX: VMentry failure with debug exceptions
and blocked states
o bsc#1158005 - CVE-2019-19578: Linear pagetable use / entry miscounts
o bsc#1158006 - CVE-2019-19580: Further issues with restartable PV type
change operations
o bsc#1158007 - CVE-2019-19577: dynamic height for the IOMMU pagetables
o bsc#1154448 - CVE-2019-18420: VCPUOP_initialise DoS
o bsc#1154456 - CVE-2019-18425: missing descriptor table limit checking in
x86 PV emulation
o bsc#1154458 - CVE-2019-18421: Issues with restartable PV type change
operations
o bsc#1154461 - CVE-2019-18424: passed through PCI devices may corrupt host
memory after deassignment
o bsc#1155945 - CVE-2018-12207: Machine Check Error Avoidance on Page Size
Change (aka IFU issue)
o bsc#1152497 - CVE-2019-11135: TSX Asynchronous Abort (TAA) issue
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 Server 11-SP4-LTSS:
zypper in -t patch slessp4-xen-14444=1
o SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-xen-14444=1
Package List:
o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):
xen-kmp-default-4.4.4_42_3.0.101_108.114-61.52.1
xen-libs-4.4.4_42-61.52.1
xen-tools-domU-4.4.4_42-61.52.1
o SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):
xen-4.4.4_42-61.52.1
xen-doc-html-4.4.4_42-61.52.1
xen-libs-32bit-4.4.4_42-61.52.1
xen-tools-4.4.4_42-61.52.1
o SUSE Linux Enterprise Server 11-SP4-LTSS (i586):
xen-kmp-pae-4.4.4_42_3.0.101_108.114-61.52.1
o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):
xen-debuginfo-4.4.4_42-61.52.1
xen-debugsource-4.4.4_42-61.52.1
References:
o https://www.suse.com/security/cve/CVE-2018-12207.html
o https://www.suse.com/security/cve/CVE-2019-11135.html
o https://www.suse.com/security/cve/CVE-2019-18420.html
o https://www.suse.com/security/cve/CVE-2019-18421.html
o https://www.suse.com/security/cve/CVE-2019-18424.html
o https://www.suse.com/security/cve/CVE-2019-18425.html
o https://www.suse.com/security/cve/CVE-2019-19577.html
o https://www.suse.com/security/cve/CVE-2019-19578.html
o https://www.suse.com/security/cve/CVE-2019-19579.html
o https://www.suse.com/security/cve/CVE-2019-19580.html
o https://www.suse.com/security/cve/CVE-2019-19583.html
o https://www.suse.com/security/cve/CVE-2020-11740.html
o https://www.suse.com/security/cve/CVE-2020-11741.html
o https://www.suse.com/security/cve/CVE-2020-11742.html
o https://www.suse.com/security/cve/CVE-2020-7211.html
o https://www.suse.com/security/cve/CVE-2020-8608.html
o https://bugzilla.suse.com/1152497
o https://bugzilla.suse.com/1154448
o https://bugzilla.suse.com/1154456
o https://bugzilla.suse.com/1154458
o https://bugzilla.suse.com/1154461
o https://bugzilla.suse.com/1155945
o https://bugzilla.suse.com/1157888
o https://bugzilla.suse.com/1158004
o https://bugzilla.suse.com/1158005
o https://bugzilla.suse.com/1158006
o https://bugzilla.suse.com/1158007
o https://bugzilla.suse.com/1161181
o https://bugzilla.suse.com/1163019
o https://bugzilla.suse.com/1168140
o https://bugzilla.suse.com/1169392
o https://bugzilla.suse.com/1174543
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