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AUSCERT External Security Bulletin Redistribution
ESB-2023.3495
Security update for xen
20 June 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-42336 CVE-2022-42335
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20232535-1
Comment: CVSS (Max): 7.3* CVE-2022-42335 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H
* Not all CVSS available when published
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Security update for xen
Announcement ID: SUSE-SU-2023:2535-1
Rating: important
o #1027519
o #1208736
o #1209237
References: o #1209245
o #1210315
o #1210570
o #1211433
o CVE-2022-42335
Cross-References: o CVE-2022-42336
o CVE-2022-42335 ( SUSE ): 7.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N
/S:C/C:L/I:L/A:H
CVSS scores: o CVE-2022-42336 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:N/I:L/A:N
o Basesystem Module 15-SP5
o openSUSE Leap 15.5
o Server Applications Module 15-SP5
Affected o SUSE Linux Enterprise Desktop 15 SP5
Products: o SUSE Linux Enterprise High Performance Computing 15 SP5
o SUSE Linux Enterprise Real Time 15 SP5
o SUSE Linux Enterprise Server 15 SP5
o SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves two vulnerabilities and has five fixes can now be
installed.
Description:
This update for xen fixes the following issues:
Security fixes:
o CVE-2022-42336: Fix an issue where guests configuring AMD Speculative Store
Bypass Disable would have no effect (XSA-431) (bsc#1211433).
o CVE-2022-42335: Fixed an issue where guests running under shadow mode with
a PCI devices passed through could force the hypervisor to dereference
arbitrary memory, leading to a denial of service (XSA-430) (bsc#1210315).
Non-security fixes:
o Fixed a build warning false positive (bsc#1210570).
o Added missing debug-info to xen-syms (bsc#1209237).
o Updated to version 4.17.1 (bsc#1027519).
o Fixed a failure during VM destruction when using host-assisted kexec and
kdump (bsc#1209245).
o Other upstream fixes (bsc#1027519).
Special Instructions and Notes:
o Please reboot the system after installing this update.
Patch Instructions:
To install this SUSE Important 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 15.5
zypper in -t patch SUSE-2023-2535=1 openSUSE-SLE-15.5-2023-2535=1
o Basesystem Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-2535=1
o Server Applications Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-2535=1
Package List:
o openSUSE Leap 15.5 (aarch64 x86_64 i586)
xen-debugsource-4.17.1_04-150500.3.3.1
xen-tools-domU-4.17.1_04-150500.3.3.1
xen-libs-4.17.1_04-150500.3.3.1
xen-tools-domU-debuginfo-4.17.1_04-150500.3.3.1
xen-devel-4.17.1_04-150500.3.3.1
xen-libs-debuginfo-4.17.1_04-150500.3.3.1
o openSUSE Leap 15.5 (x86_64)
xen-libs-32bit-debuginfo-4.17.1_04-150500.3.3.1
xen-libs-32bit-4.17.1_04-150500.3.3.1
o openSUSE Leap 15.5 (aarch64 x86_64)
xen-tools-debuginfo-4.17.1_04-150500.3.3.1
xen-tools-4.17.1_04-150500.3.3.1
xen-4.17.1_04-150500.3.3.1
xen-doc-html-4.17.1_04-150500.3.3.1
o openSUSE Leap 15.5 (noarch)
xen-tools-xendomains-wait-disk-4.17.1_04-150500.3.3.1
o openSUSE Leap 15.5 (aarch64_ilp32)
xen-libs-64bit-4.17.1_04-150500.3.3.1
xen-libs-64bit-debuginfo-4.17.1_04-150500.3.3.1
o Basesystem Module 15-SP5 (x86_64)
xen-debugsource-4.17.1_04-150500.3.3.1
xen-tools-domU-4.17.1_04-150500.3.3.1
xen-libs-4.17.1_04-150500.3.3.1
xen-tools-domU-debuginfo-4.17.1_04-150500.3.3.1
xen-libs-debuginfo-4.17.1_04-150500.3.3.1
o Server Applications Module 15-SP5 (x86_64)
xen-debugsource-4.17.1_04-150500.3.3.1
xen-devel-4.17.1_04-150500.3.3.1
xen-4.17.1_04-150500.3.3.1
xen-tools-debuginfo-4.17.1_04-150500.3.3.1
xen-tools-4.17.1_04-150500.3.3.1
o Server Applications Module 15-SP5 (noarch)
xen-tools-xendomains-wait-disk-4.17.1_04-150500.3.3.1
References:
o https://www.suse.com/security/cve/CVE-2022-42335.html
o https://www.suse.com/security/cve/CVE-2022-42336.html
o https://bugzilla.suse.com/show_bug.cgiid=1027519
o https://bugzilla.suse.com/show_bug.cgiid=1208736
o https://bugzilla.suse.com/show_bug.cgiid=1209237
o https://bugzilla.suse.com/show_bug.cgiid=1209245
o https://bugzilla.suse.com/show_bug.cgiid=1210315
o https://bugzilla.suse.com/show_bug.cgiid=1210570
o https://bugzilla.suse.com/show_bug.cgiid=1211433
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