Security update for xen

Announcement ID:	SUSE-SU-2022:0940-1
Rating:	important
References:	bsc#1027519 bsc#1191668 bsc#1194267 bsc#1196915
Cross-References:	CVE-2021-26401 CVE-2022-0001 CVE-2022-0002
CVSS scores:	CVE-2021-26401 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-26401 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0001 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0001 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0002 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0002 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected Products:	Basesystem Module 15-SP3 openSUSE Leap 15.3 Server Applications Module 15-SP3 SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Real Time 15 SP3 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP3 Business Critical Linux 15-SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Manager Proxy 4.2 SUSE Manager Retail Branch Server 4.2 SUSE Manager Server 4.2

An update that solves three vulnerabilities and has one security fix can now be installed.

Description:

This update for xen fixes the following issues:

Update Xen to version 4.14.4 (bsc#1027519)

Transient execution side-channel attacks attacking the Branch History Buffer (BHB), named "Branch Target Injection" and "Intra-Mode Branch History Injection" are now mitigated.

Security issues fixed:

• CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: BHB speculation issues (bsc#1196915).

Non-security issues fixed:

• Fixed issue around xl and virsh operation - virsh list not giving any output (bsc#1191668).

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:

• openSUSE Leap 15.3
  zypper in -t patch SUSE-2022-940=1
• Basesystem Module 15-SP3
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-940=1
• Server Applications Module 15-SP3
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-940=1
• SUSE Linux Enterprise Micro 5.1
  zypper in -t patch SUSE-SUSE-MicroOS-5.1-2022-940=1

Package List:

• openSUSE Leap 15.3 (aarch64 x86_64 i586)
  • xen-libs-4.14.4_02-150300.3.21.1
  • xen-libs-debuginfo-4.14.4_02-150300.3.21.1
  • xen-tools-domU-4.14.4_02-150300.3.21.1
  • xen-devel-4.14.4_02-150300.3.21.1
  • xen-tools-domU-debuginfo-4.14.4_02-150300.3.21.1
  • xen-debugsource-4.14.4_02-150300.3.21.1
• openSUSE Leap 15.3 (x86_64)
  • xen-libs-32bit-4.14.4_02-150300.3.21.1
  • xen-libs-32bit-debuginfo-4.14.4_02-150300.3.21.1
• openSUSE Leap 15.3 (aarch64 x86_64)
  • xen-tools-4.14.4_02-150300.3.21.1
  • xen-4.14.4_02-150300.3.21.1
  • xen-doc-html-4.14.4_02-150300.3.21.1
  • xen-tools-debuginfo-4.14.4_02-150300.3.21.1
• openSUSE Leap 15.3 (noarch)
  • xen-tools-xendomains-wait-disk-4.14.4_02-150300.3.21.1
• openSUSE Leap 15.3 (aarch64_ilp32)
  • xen-libs-64bit-4.14.4_02-150300.3.21.1
  • xen-libs-64bit-debuginfo-4.14.4_02-150300.3.21.1
• Basesystem Module 15-SP3 (x86_64)
  • xen-libs-4.14.4_02-150300.3.21.1
  • xen-tools-domU-4.14.4_02-150300.3.21.1
  • xen-libs-debuginfo-4.14.4_02-150300.3.21.1
  • xen-tools-domU-debuginfo-4.14.4_02-150300.3.21.1
  • xen-debugsource-4.14.4_02-150300.3.21.1
• Server Applications Module 15-SP3 (x86_64)
  • xen-tools-4.14.4_02-150300.3.21.1
  • xen-devel-4.14.4_02-150300.3.21.1
  • xen-4.14.4_02-150300.3.21.1
  • xen-debugsource-4.14.4_02-150300.3.21.1
  • xen-tools-debuginfo-4.14.4_02-150300.3.21.1
• Server Applications Module 15-SP3 (noarch)
  • xen-tools-xendomains-wait-disk-4.14.4_02-150300.3.21.1
• SUSE Linux Enterprise Micro 5.1 (x86_64)
  • xen-libs-4.14.4_02-150300.3.21.1
  • xen-libs-debuginfo-4.14.4_02-150300.3.21.1
  • xen-debugsource-4.14.4_02-150300.3.21.1

References:

• https://www.suse.com/security/cve/CVE-2021-26401.html
• https://www.suse.com/security/cve/CVE-2022-0001.html
• https://www.suse.com/security/cve/CVE-2022-0002.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1191668
• https://bugzilla.suse.com/show_bug.cgi?id=1194267
• https://bugzilla.suse.com/show_bug.cgi?id=1196915