SUSE-SU-2023:2535-1: important: Security update for xen

[sle-updates at lists.suse.com]

# Security update for xen

Announcement ID: SUSE-SU-2023:2535-1  
Rating: important  
References:

  * #1027519
  * #1208736
  * #1209237
  * #1209245
  * #1210315
  * #1210570
  * #1211433

  
Cross-References:

  * CVE-2022-42335
  * CVE-2022-42336

  
CVSS scores:

  * 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
  * 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

  
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 two vulnerabilities and has five fixes can now be
installed.

## Description:

This update for xen fixes the following issues:

Security fixes:

  * CVE-2022-42336: Fix an issue where guests configuring AMD Speculative Store
    Bypass Disable would have no effect (XSA-431) (bsc#1211433).
  * 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:

  * Fixed a build warning false positive (bsc#1210570).
  * Added missing debug-info to xen-syms (bsc#1209237).
  * Updated to version 4.17.1 (bsc#1027519).
  * Fixed a failure during VM destruction when using host-assisted kexec and
    kdump (bsc#1209245).
  * Other upstream fixes (bsc#1027519).

## Special Instructions and Notes:

  * 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:

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2023-2535=1 openSUSE-SLE-15.5-2023-2535=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-2535=1

  * Server Applications Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-2535=1

## Package List:

  * 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
  * 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
  * 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
  * openSUSE Leap 15.5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.1_04-150500.3.3.1
  * 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
  * 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
  * 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
  * Server Applications Module 15-SP5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.1_04-150500.3.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-42335.html
  * https://www.suse.com/security/cve/CVE-2022-42336.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1027519
  * https://bugzilla.suse.com/show_bug.cgi?id=1208736
  * https://bugzilla.suse.com/show_bug.cgi?id=1209237
  * https://bugzilla.suse.com/show_bug.cgi?id=1209245
  * https://bugzilla.suse.com/show_bug.cgi?id=1210315
  * https://bugzilla.suse.com/show_bug.cgi?id=1210570
  * https://bugzilla.suse.com/show_bug.cgi?id=1211433

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