Security update for xen

Announcement ID:	SUSE-SU-2022:0331-1
Rating:	important
References:	bsc#1194581 bsc#1194588
Cross-References:	CVE-2022-23034 CVE-2022-23035
CVSS scores:	CVE-2022-23034 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2022-23034 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-23035 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-23035 ( NVD ): 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 9

An update that solves two vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a grant. (XSA-394) (bsc#1194581)
• CVE-2022-23035: Fixed insufficient cleanup of passed-through device IRQs. (XSA-395) (bsc#1194588)

Special Instructions and Notes:

• 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:

• SUSE OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2022-331=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2022-331=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2022-331=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2022-331=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2022-331=1

Package List:

• SUSE OpenStack Cloud 9 (x86_64)
  • xen-tools-4.11.4_26-2.68.1
  • xen-debugsource-4.11.4_26-2.68.1
  • xen-tools-domU-debuginfo-4.11.4_26-2.68.1
  • xen-libs-32bit-4.11.4_26-2.68.1
  • xen-libs-4.11.4_26-2.68.1
  • xen-libs-debuginfo-4.11.4_26-2.68.1
  • xen-tools-debuginfo-4.11.4_26-2.68.1
  • xen-tools-domU-4.11.4_26-2.68.1
  • xen-doc-html-4.11.4_26-2.68.1
  • xen-libs-debuginfo-32bit-4.11.4_26-2.68.1
  • xen-4.11.4_26-2.68.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • xen-tools-4.11.4_26-2.68.1
  • xen-debugsource-4.11.4_26-2.68.1
  • xen-tools-domU-debuginfo-4.11.4_26-2.68.1
  • xen-libs-32bit-4.11.4_26-2.68.1
  • xen-libs-4.11.4_26-2.68.1
  • xen-libs-debuginfo-4.11.4_26-2.68.1
  • xen-tools-debuginfo-4.11.4_26-2.68.1
  • xen-tools-domU-4.11.4_26-2.68.1
  • xen-doc-html-4.11.4_26-2.68.1
  • xen-libs-debuginfo-32bit-4.11.4_26-2.68.1
  • xen-4.11.4_26-2.68.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
  • xen-tools-4.11.4_26-2.68.1
  • xen-debugsource-4.11.4_26-2.68.1
  • xen-tools-domU-debuginfo-4.11.4_26-2.68.1
  • xen-libs-32bit-4.11.4_26-2.68.1
  • xen-libs-4.11.4_26-2.68.1
  • xen-libs-debuginfo-4.11.4_26-2.68.1
  • xen-tools-debuginfo-4.11.4_26-2.68.1
  • xen-tools-domU-4.11.4_26-2.68.1
  • xen-doc-html-4.11.4_26-2.68.1
  • xen-libs-debuginfo-32bit-4.11.4_26-2.68.1
  • xen-4.11.4_26-2.68.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
  • xen-tools-4.11.4_26-2.68.1
  • xen-debugsource-4.11.4_26-2.68.1
  • xen-tools-domU-debuginfo-4.11.4_26-2.68.1
  • xen-libs-32bit-4.11.4_26-2.68.1
  • xen-libs-4.11.4_26-2.68.1
  • xen-libs-debuginfo-4.11.4_26-2.68.1
  • xen-tools-debuginfo-4.11.4_26-2.68.1
  • xen-tools-domU-4.11.4_26-2.68.1
  • xen-doc-html-4.11.4_26-2.68.1
  • xen-libs-debuginfo-32bit-4.11.4_26-2.68.1
  • xen-4.11.4_26-2.68.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
  • xen-tools-4.11.4_26-2.68.1
  • xen-debugsource-4.11.4_26-2.68.1
  • xen-tools-domU-debuginfo-4.11.4_26-2.68.1
  • xen-libs-32bit-4.11.4_26-2.68.1
  • xen-libs-4.11.4_26-2.68.1
  • xen-libs-debuginfo-4.11.4_26-2.68.1
  • xen-tools-debuginfo-4.11.4_26-2.68.1
  • xen-tools-domU-4.11.4_26-2.68.1
  • xen-doc-html-4.11.4_26-2.68.1
  • xen-libs-debuginfo-32bit-4.11.4_26-2.68.1
  • xen-4.11.4_26-2.68.1

References:

• https://www.suse.com/security/cve/CVE-2022-23034.html
• https://www.suse.com/security/cve/CVE-2022-23035.html
• https://bugzilla.suse.com/show_bug.cgi?id=1194581
• https://bugzilla.suse.com/show_bug.cgi?id=1194588