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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2023.6868
Security update for xen
20 November 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2023-46836 CVE-2023-46835 CVE-2023-34328
CVE-2023-34327 CVE-2023-34326 CVE-2023-34325
CVE-2023-34322 CVE-2023-20588
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20234476-1
Comment: CVSS (Max): 8.8 CVE-2023-34326 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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Security update for xen
Announcement ID: SUSE-SU-2023:4476-1
Rating: important
o bsc#1027519
o bsc#1215145
o bsc#1215474
o bsc#1215746
References: o bsc#1215747
o bsc#1215748
o bsc#1216654
o bsc#1216807
o CVE-2023-20588
o CVE-2023-34322
o CVE-2023-34325
o CVE-2023-34326
Cross-References: o CVE-2023-34327
o CVE-2023-34328
o CVE-2023-46835
o CVE-2023-46836
o CVE-2023-20588 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N
/S:C/C:H/I:N/A:N
o CVE-2023-20588 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:N/A:N
o CVE-2023-34322 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N
/S:C/C:H/I:H/A:H
o CVE-2023-34325 ( SUSE ): 5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N
/S:U/C:L/I:L/A:L
CVSS scores: o CVE-2023-34326 ( SUSE ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N
/S:U/C:H/I:H/A:H
o CVE-2023-34327 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N
/S:U/C:N/I:N/A:H
o CVE-2023-34328 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N
/S:U/C:N/I:N/A:H
o CVE-2023-46835 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N
/S:C/C:H/I:N/A:N
o Basesystem Module 15-SP4
o openSUSE Leap 15.4
o openSUSE Leap Micro 5.3
o openSUSE Leap Micro 5.4
o Server Applications Module 15-SP4
o SUSE Linux Enterprise Desktop 15 SP4
o SUSE Linux Enterprise High Performance Computing 15 SP4
Affected o SUSE Linux Enterprise Micro 5.3
Products: o SUSE Linux Enterprise Micro 5.4
o SUSE Linux Enterprise Micro for Rancher 5.3
o SUSE Linux Enterprise Micro for Rancher 5.4
o SUSE Linux Enterprise Real Time 15 SP4
o SUSE Linux Enterprise Server 15 SP4
o SUSE Linux Enterprise Server for SAP Applications 15 SP4
o SUSE Manager Proxy 4.3
o SUSE Manager Retail Branch Server 4.3
o SUSE Manager Server 4.3
An update that solves eight vulnerabilities can now be installed.
Description:
This update for xen fixes the following issues:
o CVE-2023-20588: AMD CPU transitional execution leak via division by zero
(XSA-439) (bsc#1215474).
o CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV
guests (XSA-438) (bsc#1215145).
o CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling
(XSA-443) (bsc#1215747).
o CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#
1215746).
o CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#
1215748).
o CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels
(XSA-445) (bsc#1216654).
o CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#
1216807).
o Upstream bug fixes (bsc#1027519)
Special Instructions and Notes:
o Please reboot the system after installing this update.
Patch Instructions:
To install this SUSE 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 openSUSE Leap 15.4
zypper in -t patch openSUSE-SLE-15.4-2023-4476=1 SUSE-2023-4476=1
o SUSE Linux Enterprise Micro for Rancher 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2023-4476=1
o SUSE Linux Enterprise Micro 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2023-4476=1
o SUSE Linux Enterprise Micro for Rancher 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2023-4476=1
o SUSE Linux Enterprise Micro 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2023-4476=1
o Basesystem Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-4476=1
o Server Applications Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2023-4476=1
o openSUSE Leap Micro 5.3
zypper in -t patch openSUSE-Leap-Micro-5.3-2023-4476=1
o openSUSE Leap Micro 5.4
zypper in -t patch openSUSE-Leap-Micro-5.4-2023-4476=1
Package List:
o openSUSE Leap 15.4 (aarch64 x86_64)
xen-tools-4.16.5_08-150400.4.40.1
xen-tools-debuginfo-4.16.5_08-150400.4.40.1
xen-4.16.5_08-150400.4.40.1
xen-doc-html-4.16.5_08-150400.4.40.1
o openSUSE Leap 15.4 (aarch64 x86_64 i586)
xen-tools-domU-4.16.5_08-150400.4.40.1
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-tools-domU-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
xen-devel-4.16.5_08-150400.4.40.1
o openSUSE Leap 15.4 (x86_64)
xen-libs-32bit-4.16.5_08-150400.4.40.1
xen-libs-32bit-debuginfo-4.16.5_08-150400.4.40.1
o openSUSE Leap 15.4 (noarch)
xen-tools-xendomains-wait-disk-4.16.5_08-150400.4.40.1
o openSUSE Leap 15.4 (aarch64_ilp32)
xen-libs-64bit-debuginfo-4.16.5_08-150400.4.40.1
xen-libs-64bit-4.16.5_08-150400.4.40.1
o SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
o SUSE Linux Enterprise Micro 5.3 (x86_64)
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
o SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
o SUSE Linux Enterprise Micro 5.4 (x86_64)
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
o Basesystem Module 15-SP4 (x86_64)
xen-tools-domU-4.16.5_08-150400.4.40.1
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-tools-domU-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
o Server Applications Module 15-SP4 (x86_64)
xen-tools-debuginfo-4.16.5_08-150400.4.40.1
xen-4.16.5_08-150400.4.40.1
xen-tools-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
xen-devel-4.16.5_08-150400.4.40.1
o Server Applications Module 15-SP4 (noarch)
xen-tools-xendomains-wait-disk-4.16.5_08-150400.4.40.1
o openSUSE Leap Micro 5.3 (x86_64)
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
o openSUSE Leap Micro 5.4 (x86_64)
xen-libs-4.16.5_08-150400.4.40.1
xen-libs-debuginfo-4.16.5_08-150400.4.40.1
xen-debugsource-4.16.5_08-150400.4.40.1
References:
o https://www.suse.com/security/cve/CVE-2023-20588.html
o https://www.suse.com/security/cve/CVE-2023-34322.html
o https://www.suse.com/security/cve/CVE-2023-34325.html
o https://www.suse.com/security/cve/CVE-2023-34326.html
o https://www.suse.com/security/cve/CVE-2023-34327.html
o https://www.suse.com/security/cve/CVE-2023-34328.html
o https://www.suse.com/security/cve/CVE-2023-46835.html
o https://www.suse.com/security/cve/CVE-2023-46836.html
o https://bugzilla.suse.com/show_bug.cgiid=1027519
o https://bugzilla.suse.com/show_bug.cgiid=1215145
o https://bugzilla.suse.com/show_bug.cgiid=1215474
o https://bugzilla.suse.com/show_bug.cgiid=1215746
o https://bugzilla.suse.com/show_bug.cgiid=1215747
o https://bugzilla.suse.com/show_bug.cgiid=1215748
o https://bugzilla.suse.com/show_bug.cgiid=1216654
o https://bugzilla.suse.com/show_bug.cgiid=1216807
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