A xen security update has been released for SUSE Linux Enterprise 15 SP4 and openSUSE Leap 15.4.

SUSE-SU-2022:2296-1: important: Security update for xen

SUSE Security Update: Security update for xen
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Announcement ID: SUSE-SU-2022:2296-1
Rating: important
References: #1027519 #1199965 #1199966
Cross-References: CVE-2022-26362 CVE-2022-26363 CVE-2022-26364
CVSS scores:
CVE-2022-26362 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVE-2022-26362 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2022-26363 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVE-2022-26363 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2022-26364 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVE-2022-26364 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:
SUSE Linux Enterprise Desktop 15-SP4
SUSE Linux Enterprise High Performance Computing 15-SP4 SUSE Linux Enterprise Module for Basesystem 15-SP4 SUSE Linux Enterprise Module for Server Applications 15-SP4
SUSE Linux Enterprise Server 15-SP4
SUSE Linux Enterprise Server for SAP Applications 15-SP4openSUSE Leap 15.4
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An update that fixes three vulnerabilities is now available.
Description:

This update for xen fixes the following issues:

- CVE-2022-26362: Fixed race condition in typeref acquisition (bsc#1199965)
- CVE-2022-26363, CVE-2022-26364: Fixed insufficient care with non-coherent mappings (bsc#1199966)

Special Instructions and Notes:

Please reboot the system after installing this update.

Patch Instructions:

To install this SUSE Security 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 15.4:

zypper in -t patch openSUSE-SLE-15.4-2022-2296=1

- SUSE Linux Enterprise Module for Server Applications 15-SP4:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2022-2296=1

- SUSE Linux Enterprise Module for Basesystem 15-SP4:

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-2296=1

Package List:

- openSUSE Leap 15.4 (aarch64 x86_64):

xen-4.16.1_04-150400.4.5.2
xen-debugsource-4.16.1_04-150400.4.5.2
xen-devel-4.16.1_04-150400.4.5.2
xen-doc-html-4.16.1_04-150400.4.5.2
xen-libs-4.16.1_04-150400.4.5.2
xen-libs-debuginfo-4.16.1_04-150400.4.5.2
xen-tools-4.16.1_04-150400.4.5.2
xen-tools-debuginfo-4.16.1_04-150400.4.5.2
xen-tools-domU-4.16.1_04-150400.4.5.2
xen-tools-domU-debuginfo-4.16.1_04-150400.4.5.2

- openSUSE Leap 15.4 (noarch):

xen-tools-xendomains-wait-disk-4.16.1_04-150400.4.5.2
- openSUSE Leap 15.4 (x86_64):

xen-libs-32bit-4.16.1_04-150400.4.5.2
xen-libs-32bit-debuginfo-4.16.1_04-150400.4.5.2

- SUSE Linux Enterprise Module for Server Applications 15-SP4 (noarch):
xen-tools-xendomains-wait-disk-4.16.1_04-150400.4.5.2
- SUSE Linux Enterprise Module for Server Applications 15-SP4 (x86_64):
xen-4.16.1_04-150400.4.5.2
xen-debugsource-4.16.1_04-150400.4.5.2
xen-devel-4.16.1_04-150400.4.5.2
xen-tools-4.16.1_04-150400.4.5.2
xen-tools-debuginfo-4.16.1_04-150400.4.5.2

- SUSE Linux Enterprise Module for Basesystem 15-SP4 (x86_64):
xen-debugsource-4.16.1_04-150400.4.5.2
xen-libs-4.16.1_04-150400.4.5.2
xen-libs-debuginfo-4.16.1_04-150400.4.5.2
xen-tools-domU-4.16.1_04-150400.4.5.2
xen-tools-domU-debuginfo-4.16.1_04-150400.4.5.2

References:

  https://www.suse.com/security/cve/CVE-2022-26362.html
  https://www.suse.com/security/cve/CVE-2022-26363.html
  https://www.suse.com/security/cve/CVE-2022-26364.html
  https://bugzilla.suse.com/1027519
  https://bugzilla.suse.com/1199965
  https://bugzilla.suse.com/1199966