Security update for xen

Announcement ID:	SUSE-SU-2023:3447-1
Rating:	moderate
References:	bsc#1027519 bsc#1212684 bsc#1213616 bsc#1214082 bsc#1214083
Cross-References:	CVE-2022-40982 CVE-2023-20569 CVE-2023-20593
CVSS scores:	CVE-2022-40982 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2022-40982 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2023-20569 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2023-20569 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-20593 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2023-20593 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:	Basesystem Module 15-SP5 openSUSE Leap 15.5 Server Applications Module 15-SP5 SUSE Linux Enterprise Desktop 15 SP5 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise Real Time 15 SP5 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves three vulnerabilities and has two security fixes can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2023-20569: Fixed side channel attack Inception or RAS Poisoning. (bsc#1214082, XSA-434)
• CVE-2022-40982: Fixed transient execution attack called "Gather Data Sampling". (bsc#1214083, XSA-435)
• CVE-2023-20593: Fixed a ZenBleed issue in "Zen 2" CPUs that could allow an attacker to potentially access sensitive information. (bsc#1213616, XSA-433)

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:

• Server Applications Module 15-SP5
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-3447=1
• openSUSE Leap 15.5
  zypper in -t patch SUSE-2023-3447=1 openSUSE-SLE-15.5-2023-3447=1
• Basesystem Module 15-SP5
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-3447=1

Package List:

• Server Applications Module 15-SP5 (x86_64)
  • xen-devel-4.17.2_02-150500.3.6.1
  • xen-tools-4.17.2_02-150500.3.6.1
  • xen-debugsource-4.17.2_02-150500.3.6.1
  • xen-4.17.2_02-150500.3.6.1
  • xen-tools-debuginfo-4.17.2_02-150500.3.6.1
• Server Applications Module 15-SP5 (noarch)
  • xen-tools-xendomains-wait-disk-4.17.2_02-150500.3.6.1
• openSUSE Leap 15.5 (aarch64 x86_64 i586)
  • xen-libs-4.17.2_02-150500.3.6.1
  • xen-devel-4.17.2_02-150500.3.6.1
  • xen-tools-domU-4.17.2_02-150500.3.6.1
  • xen-debugsource-4.17.2_02-150500.3.6.1
  • xen-tools-domU-debuginfo-4.17.2_02-150500.3.6.1
  • xen-libs-debuginfo-4.17.2_02-150500.3.6.1
• openSUSE Leap 15.5 (x86_64)
  • xen-libs-32bit-debuginfo-4.17.2_02-150500.3.6.1
  • xen-libs-32bit-4.17.2_02-150500.3.6.1
• openSUSE Leap 15.5 (aarch64 x86_64)
  • xen-4.17.2_02-150500.3.6.1
  • xen-doc-html-4.17.2_02-150500.3.6.1
  • xen-tools-4.17.2_02-150500.3.6.1
  • xen-tools-debuginfo-4.17.2_02-150500.3.6.1
• openSUSE Leap 15.5 (noarch)
  • xen-tools-xendomains-wait-disk-4.17.2_02-150500.3.6.1
• openSUSE Leap 15.5 (aarch64_ilp32)
  • xen-libs-64bit-4.17.2_02-150500.3.6.1
  • xen-libs-64bit-debuginfo-4.17.2_02-150500.3.6.1
• Basesystem Module 15-SP5 (x86_64)
  • xen-libs-4.17.2_02-150500.3.6.1
  • xen-tools-domU-4.17.2_02-150500.3.6.1
  • xen-debugsource-4.17.2_02-150500.3.6.1
  • xen-tools-domU-debuginfo-4.17.2_02-150500.3.6.1
  • xen-libs-debuginfo-4.17.2_02-150500.3.6.1

References:

• https://www.suse.com/security/cve/CVE-2022-40982.html
• https://www.suse.com/security/cve/CVE-2023-20569.html
• https://www.suse.com/security/cve/CVE-2023-20593.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1212684
• https://bugzilla.suse.com/show_bug.cgi?id=1213616
• https://bugzilla.suse.com/show_bug.cgi?id=1214082
• https://bugzilla.suse.com/show_bug.cgi?id=1214083