Security update for xen

Announcement ID:	SUSE-SU-2021:3849-1
Rating:	moderate
References:	bsc#1189373 bsc#1189378 bsc#1189632 bsc#1192554 bsc#1192557 bsc#1192559
Cross-References:	CVE-2021-28701 CVE-2021-28704 CVE-2021-28705 CVE-2021-28706 CVE-2021-28707 CVE-2021-28708 CVE-2021-28709
CVSS scores:	CVE-2021-28701 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28701 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/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 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 seven vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632).
• 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).
• Integrate bugfixes (bsc#1189373, bsc#1189378)

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 OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2021-3849=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-3849=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-3849=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2021-3849=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-3849=1

Package List:

• SUSE OpenStack Cloud 9 (x86_64)
  • xen-tools-domU-debuginfo-4.11.4_24-2.65.1
  • xen-4.11.4_24-2.65.1
  • xen-debugsource-4.11.4_24-2.65.1
  • xen-libs-32bit-4.11.4_24-2.65.1
  • xen-tools-4.11.4_24-2.65.1
  • xen-tools-domU-4.11.4_24-2.65.1
  • xen-libs-4.11.4_24-2.65.1
  • xen-tools-debuginfo-4.11.4_24-2.65.1
  • xen-doc-html-4.11.4_24-2.65.1
  • xen-libs-debuginfo-4.11.4_24-2.65.1
  • xen-libs-debuginfo-32bit-4.11.4_24-2.65.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • xen-tools-domU-debuginfo-4.11.4_24-2.65.1
  • xen-4.11.4_24-2.65.1
  • xen-debugsource-4.11.4_24-2.65.1
  • xen-libs-32bit-4.11.4_24-2.65.1
  • xen-tools-4.11.4_24-2.65.1
  • xen-tools-domU-4.11.4_24-2.65.1
  • xen-libs-4.11.4_24-2.65.1
  • xen-tools-debuginfo-4.11.4_24-2.65.1
  • xen-doc-html-4.11.4_24-2.65.1
  • xen-libs-debuginfo-4.11.4_24-2.65.1
  • xen-libs-debuginfo-32bit-4.11.4_24-2.65.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
  • xen-tools-domU-debuginfo-4.11.4_24-2.65.1
  • xen-4.11.4_24-2.65.1
  • xen-debugsource-4.11.4_24-2.65.1
  • xen-libs-32bit-4.11.4_24-2.65.1
  • xen-tools-4.11.4_24-2.65.1
  • xen-tools-domU-4.11.4_24-2.65.1
  • xen-libs-4.11.4_24-2.65.1
  • xen-tools-debuginfo-4.11.4_24-2.65.1
  • xen-doc-html-4.11.4_24-2.65.1
  • xen-libs-debuginfo-4.11.4_24-2.65.1
  • xen-libs-debuginfo-32bit-4.11.4_24-2.65.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
  • xen-tools-domU-debuginfo-4.11.4_24-2.65.1
  • xen-4.11.4_24-2.65.1
  • xen-debugsource-4.11.4_24-2.65.1
  • xen-libs-32bit-4.11.4_24-2.65.1
  • xen-tools-4.11.4_24-2.65.1
  • xen-tools-domU-4.11.4_24-2.65.1
  • xen-libs-4.11.4_24-2.65.1
  • xen-tools-debuginfo-4.11.4_24-2.65.1
  • xen-doc-html-4.11.4_24-2.65.1
  • xen-libs-debuginfo-4.11.4_24-2.65.1
  • xen-libs-debuginfo-32bit-4.11.4_24-2.65.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
  • xen-tools-domU-debuginfo-4.11.4_24-2.65.1
  • xen-4.11.4_24-2.65.1
  • xen-debugsource-4.11.4_24-2.65.1
  • xen-libs-32bit-4.11.4_24-2.65.1
  • xen-tools-4.11.4_24-2.65.1
  • xen-tools-domU-4.11.4_24-2.65.1
  • xen-libs-4.11.4_24-2.65.1
  • xen-tools-debuginfo-4.11.4_24-2.65.1
  • xen-doc-html-4.11.4_24-2.65.1
  • xen-libs-debuginfo-4.11.4_24-2.65.1
  • xen-libs-debuginfo-32bit-4.11.4_24-2.65.1

References:

• https://www.suse.com/security/cve/CVE-2021-28701.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=1189373
• https://bugzilla.suse.com/show_bug.cgi?id=1189378
• https://bugzilla.suse.com/show_bug.cgi?id=1189632
• 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