Security update for xen

Announcement ID:	SUSE-SU-2021:3852-1
Rating:	moderate
References:	bsc#1027519 bsc#1191363 bsc#1191510 bsc#1192554 bsc#1192557 bsc#1192559
Cross-References:	CVE-2021-28702 CVE-2021-28704 CVE-2021-28705 CVE-2021-28706 CVE-2021-28707 CVE-2021-28708 CVE-2021-28709
CVSS scores:	CVE-2021-28702 ( SUSE ): 6.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H CVE-2021-28702 ( NVD ): 7.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVE-2021-28704 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28704 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-28705 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28705 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-28706 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28706 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H CVE-2021-28707 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28707 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-28708 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28708 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-28709 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28709 ( 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 seven vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly (XSA-386) (bsc#1191363).
• CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on misaligned GFNs (XSA-388) (bsc#1192557).
• CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful P2M updates on x86 (XSA-389) (bsc#1192559).

• CVE-2021-28706: Fixed guests may exceed their designated memory limit (XSA-385) (bsc#1192554).

• Fixed 15sp4 uefi fv guest on 12sp5 host unable to bootup with sriov pci device plugin (bsc#1191510).

• Upstream bug fixes (bsc#1027519).

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-SP5-2021-3852=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3852=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3852=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3852=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
  • xen-debugsource-4.12.4_16-3.55.1
  • xen-devel-4.12.4_16-3.55.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • xen-tools-debuginfo-4.12.4_16-3.55.1
  • xen-doc-html-4.12.4_16-3.55.1
  • xen-libs-debuginfo-32bit-4.12.4_16-3.55.1
  • xen-libs-4.12.4_16-3.55.1
  • xen-tools-4.12.4_16-3.55.1
  • xen-debugsource-4.12.4_16-3.55.1
  • xen-libs-debuginfo-4.12.4_16-3.55.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.55.1
  • xen-libs-32bit-4.12.4_16-3.55.1
  • xen-tools-domU-4.12.4_16-3.55.1
  • xen-4.12.4_16-3.55.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • xen-tools-debuginfo-4.12.4_16-3.55.1
  • xen-doc-html-4.12.4_16-3.55.1
  • xen-libs-debuginfo-32bit-4.12.4_16-3.55.1
  • xen-libs-4.12.4_16-3.55.1
  • xen-tools-4.12.4_16-3.55.1
  • xen-debugsource-4.12.4_16-3.55.1
  • xen-libs-debuginfo-4.12.4_16-3.55.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.55.1
  • xen-libs-32bit-4.12.4_16-3.55.1
  • xen-tools-domU-4.12.4_16-3.55.1
  • xen-4.12.4_16-3.55.1
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • xen-tools-debuginfo-4.12.4_16-3.55.1
  • xen-doc-html-4.12.4_16-3.55.1
  • xen-libs-debuginfo-32bit-4.12.4_16-3.55.1
  • xen-libs-4.12.4_16-3.55.1
  • xen-tools-4.12.4_16-3.55.1
  • xen-debugsource-4.12.4_16-3.55.1
  • xen-libs-debuginfo-4.12.4_16-3.55.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.55.1
  • xen-libs-32bit-4.12.4_16-3.55.1
  • xen-tools-domU-4.12.4_16-3.55.1
  • xen-4.12.4_16-3.55.1

References:

• https://www.suse.com/security/cve/CVE-2021-28702.html
• https://www.suse.com/security/cve/CVE-2021-28704.html
• https://www.suse.com/security/cve/CVE-2021-28705.html
• https://www.suse.com/security/cve/CVE-2021-28706.html
• https://www.suse.com/security/cve/CVE-2021-28707.html
• https://www.suse.com/security/cve/CVE-2021-28708.html
• https://www.suse.com/security/cve/CVE-2021-28709.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1191363
• https://bugzilla.suse.com/show_bug.cgi?id=1191510
• https://bugzilla.suse.com/show_bug.cgi?id=1192554
• https://bugzilla.suse.com/show_bug.cgi?id=1192557
• https://bugzilla.suse.com/show_bug.cgi?id=1192559