SUSE-SU-2023:0859-1: important: Security update for xen

Tue Mar 21 16:30:27 UTC 2023

# Security update for xen

Announcement ID: SUSE-SU-2023:0859-1  
Rating: important  
References:

  * #1209017
  * #1209018
  * #1209019
  * #1209188

Cross-References:

  * CVE-2022-42331
  * CVE-2022-42332
  * CVE-2022-42333
  * CVE-2022-42334

CVSS scores:

  * CVE-2022-42331 ( SUSE ):  5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2022-42332 ( SUSE ):  7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  * CVE-2022-42333 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H
  * CVE-2022-42334 ( SUSE ):  6.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/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 four vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issues:

  * CVE-2022-42332: Fixed use-after-free in x86 shadow plus log-dirty mode
    (bsc#1209017).
  * CVE-2022-42333,CVE-2022-42334: Fixed x86/HVM pinned cache attributes mis-
    handling (bsc#1209018).
  * CVE-2022-42331: Fixed speculative vulnerability in 32bit SYSCALL path on x86
    (bsc#1209019).

## 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:

  * SUSE OpenStack Cloud 9  
    zypper in -t patch SUSE-OpenStack-Cloud-9-2023-859=1

  * SUSE OpenStack Cloud Crowbar 9  
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2023-859=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP4  
    zypper in -t patch SUSE-SLE-SAP-12-SP4-2023-859=1

  * SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4  
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2023-859=1

  * SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4  
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2023-859=1

## Package List:

  * SUSE OpenStack Cloud 9 (x86_64)
    * xen-libs-4.11.4_38-2.89.1
    * xen-tools-4.11.4_38-2.89.1
    * xen-4.11.4_38-2.89.1
    * xen-libs-debuginfo-32bit-4.11.4_38-2.89.1
    * xen-libs-32bit-4.11.4_38-2.89.1
    * xen-tools-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-debuginfo-4.11.4_38-2.89.1
    * xen-doc-html-4.11.4_38-2.89.1
    * xen-libs-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-4.11.4_38-2.89.1
    * xen-debugsource-4.11.4_38-2.89.1
  * SUSE OpenStack Cloud Crowbar 9 (x86_64)
    * xen-libs-4.11.4_38-2.89.1
    * xen-tools-4.11.4_38-2.89.1
    * xen-4.11.4_38-2.89.1
    * xen-libs-debuginfo-32bit-4.11.4_38-2.89.1
    * xen-libs-32bit-4.11.4_38-2.89.1
    * xen-tools-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-debuginfo-4.11.4_38-2.89.1
    * xen-doc-html-4.11.4_38-2.89.1
    * xen-libs-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-4.11.4_38-2.89.1
    * xen-debugsource-4.11.4_38-2.89.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
    * xen-libs-4.11.4_38-2.89.1
    * xen-tools-4.11.4_38-2.89.1
    * xen-4.11.4_38-2.89.1
    * xen-libs-debuginfo-32bit-4.11.4_38-2.89.1
    * xen-libs-32bit-4.11.4_38-2.89.1
    * xen-tools-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-debuginfo-4.11.4_38-2.89.1
    * xen-doc-html-4.11.4_38-2.89.1
    * xen-libs-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-4.11.4_38-2.89.1
    * xen-debugsource-4.11.4_38-2.89.1
  * SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
    * xen-libs-4.11.4_38-2.89.1
    * xen-tools-4.11.4_38-2.89.1
    * xen-4.11.4_38-2.89.1
    * xen-libs-debuginfo-32bit-4.11.4_38-2.89.1
    * xen-libs-32bit-4.11.4_38-2.89.1
    * xen-tools-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-debuginfo-4.11.4_38-2.89.1
    * xen-doc-html-4.11.4_38-2.89.1
    * xen-libs-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-4.11.4_38-2.89.1
    * xen-debugsource-4.11.4_38-2.89.1
  * SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
    * xen-libs-4.11.4_38-2.89.1
    * xen-tools-4.11.4_38-2.89.1
    * xen-4.11.4_38-2.89.1
    * xen-libs-debuginfo-32bit-4.11.4_38-2.89.1
    * xen-libs-32bit-4.11.4_38-2.89.1
    * xen-tools-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-debuginfo-4.11.4_38-2.89.1
    * xen-doc-html-4.11.4_38-2.89.1
    * xen-libs-debuginfo-4.11.4_38-2.89.1
    * xen-tools-domU-4.11.4_38-2.89.1
    * xen-debugsource-4.11.4_38-2.89.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-42331.html
  * https://www.suse.com/security/cve/CVE-2022-42332.html
  * https://www.suse.com/security/cve/CVE-2022-42333.html
  * https://www.suse.com/security/cve/CVE-2022-42334.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1209017
  * https://bugzilla.suse.com/show_bug.cgi?id=1209018
  * https://bugzilla.suse.com/show_bug.cgi?id=1209019
  * https://bugzilla.suse.com/show_bug.cgi?id=1209188

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