Security update for xen

Announcement ID:	SUSE-SU-2022:1505-1
Rating:	moderate
References:	bsc#1197423 bsc#1197425 bsc#1197426
Cross-References:	CVE-2022-26356 CVE-2022-26357 CVE-2022-26358 CVE-2022-26359 CVE-2022-26360 CVE-2022-26361
CVSS scores:	CVE-2022-26356 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H CVE-2022-26356 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-26357 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26357 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26358 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26358 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26359 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26359 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26360 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26360 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26361 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26361 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves six vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
• CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
• CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).

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:

• SUSE Linux Enterprise Software Development Kit 12 SP5
  zypper in -t patch SUSE-SLE-SDK-12-SP5-2022-1505=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-1505=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-1505=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-1505=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
  • xen-debugsource-4.12.4_22-3.66.1
  • xen-devel-4.12.4_22-3.66.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • xen-libs-debuginfo-4.12.4_22-3.66.1
  • xen-libs-32bit-4.12.4_22-3.66.1
  • xen-tools-domU-debuginfo-4.12.4_22-3.66.1
  • xen-libs-debuginfo-32bit-4.12.4_22-3.66.1
  • xen-4.12.4_22-3.66.1
  • xen-doc-html-4.12.4_22-3.66.1
  • xen-libs-4.12.4_22-3.66.1
  • xen-debugsource-4.12.4_22-3.66.1
  • xen-tools-domU-4.12.4_22-3.66.1
  • xen-tools-debuginfo-4.12.4_22-3.66.1
  • xen-tools-4.12.4_22-3.66.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • xen-libs-debuginfo-4.12.4_22-3.66.1
  • xen-libs-32bit-4.12.4_22-3.66.1
  • xen-tools-domU-debuginfo-4.12.4_22-3.66.1
  • xen-libs-debuginfo-32bit-4.12.4_22-3.66.1
  • xen-4.12.4_22-3.66.1
  • xen-doc-html-4.12.4_22-3.66.1
  • xen-libs-4.12.4_22-3.66.1
  • xen-debugsource-4.12.4_22-3.66.1
  • xen-tools-domU-4.12.4_22-3.66.1
  • xen-tools-debuginfo-4.12.4_22-3.66.1
  • xen-tools-4.12.4_22-3.66.1
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • xen-libs-debuginfo-4.12.4_22-3.66.1
  • xen-libs-32bit-4.12.4_22-3.66.1
  • xen-tools-domU-debuginfo-4.12.4_22-3.66.1
  • xen-libs-debuginfo-32bit-4.12.4_22-3.66.1
  • xen-4.12.4_22-3.66.1
  • xen-doc-html-4.12.4_22-3.66.1
  • xen-libs-4.12.4_22-3.66.1
  • xen-debugsource-4.12.4_22-3.66.1
  • xen-tools-domU-4.12.4_22-3.66.1
  • xen-tools-debuginfo-4.12.4_22-3.66.1
  • xen-tools-4.12.4_22-3.66.1

References:

• https://www.suse.com/security/cve/CVE-2022-26356.html
• https://www.suse.com/security/cve/CVE-2022-26357.html
• https://www.suse.com/security/cve/CVE-2022-26358.html
• https://www.suse.com/security/cve/CVE-2022-26359.html
• https://www.suse.com/security/cve/CVE-2022-26360.html
• https://www.suse.com/security/cve/CVE-2022-26361.html
• https://bugzilla.suse.com/show_bug.cgi?id=1197423
• https://bugzilla.suse.com/show_bug.cgi?id=1197425
• https://bugzilla.suse.com/show_bug.cgi?id=1197426