Security update for xen

Announcement ID:	SUSE-SU-2021:2924-1
Rating:	important
References:	bsc#1027519 bsc#1179246 bsc#1180491 bsc#1180846 bsc#1182654 bsc#1183243 bsc#1185682 bsc#1186428 bsc#1186429 bsc#1186433 bsc#1186434 bsc#1187369 bsc#1187376 bsc#1187378 bsc#1188050 bsc#1189373 bsc#1189376 bsc#1189378 bsc#1189380 bsc#1189381 bsc#1189882
Cross-References:	CVE-2021-0089 CVE-2021-20255 CVE-2021-28690 CVE-2021-28692 CVE-2021-28693 CVE-2021-28694 CVE-2021-28695 CVE-2021-28696 CVE-2021-28697 CVE-2021-28698 CVE-2021-28699 CVE-2021-28700 CVE-2021-3592 CVE-2021-3594 CVE-2021-3595
CVSS scores:	CVE-2021-0089 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-0089 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-20255 ( SUSE ): 3.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L CVE-2021-20255 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28690 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-28690 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-28692 ( SUSE ): 4.2 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L CVE-2021-28692 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-28693 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2021-28693 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-28694 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28694 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28695 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28695 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28696 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28696 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28697 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28697 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-28698 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28698 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28699 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-28699 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28700 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28700 ( NVD ): 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2021-3592 ( SUSE ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVE-2021-3592 ( NVD ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVE-2021-3594 ( SUSE ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVE-2021-3594 ( NVD ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVE-2021-3595 ( SUSE ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVE-2021-3595 ( NVD ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
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 15 vulnerabilities and has six security fixes can now be installed.

Description:

This update for xen fixes the following issues:

Security issues fixed:

• CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428)
• CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)
• CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)
• CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)
• CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654)
• CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).
• CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).
• CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).
• CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).
• CVE-2021-28700: No memory limit for dom0less domUs (XSA-383)(bsc#1189381).
• CVE-2021-3592: slirp: invalid pointer initialization may lead to information disclosure (bootp)(bsc#1187369).
• CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure (udp)(bsc#1187378).
• CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure (tftp)(bsc#1187376).

Other issues fixed:

• Fixed "Panic on CPU 0: IO-APIC + timer doesn't work!" (bsc#1180491)
• Fixed an issue with xencommons, where file format expecations by fillup did not allign (bsc#1185682)

• Upstream bug fixes (bsc#1027519)

• Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246).

• Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050).
• Fixed PVHVM SLES12 SP5 - NMI Watchdog CPU Stuck (bsc#1180846).
• Core cannot be opened when using xl dump-core of VM with PTF (bsc#1183243)
• Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).

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-SP5-2021-2924=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-2924=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-2924=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-2924=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
  • xen-devel-4.12.4_12-3.49.1
  • xen-debugsource-4.12.4_12-3.49.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • xen-libs-4.12.4_12-3.49.1
  • xen-tools-debuginfo-4.12.4_12-3.49.1
  • xen-libs-debuginfo-4.12.4_12-3.49.1
  • xen-tools-domU-4.12.4_12-3.49.1
  • xen-libs-debuginfo-32bit-4.12.4_12-3.49.1
  • xen-4.12.4_12-3.49.1
  • xen-libs-32bit-4.12.4_12-3.49.1
  • xen-tools-domU-debuginfo-4.12.4_12-3.49.1
  • xen-doc-html-4.12.4_12-3.49.1
  • xen-debugsource-4.12.4_12-3.49.1
  • xen-tools-4.12.4_12-3.49.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • xen-libs-4.12.4_12-3.49.1
  • xen-tools-debuginfo-4.12.4_12-3.49.1
  • xen-libs-debuginfo-4.12.4_12-3.49.1
  • xen-tools-domU-4.12.4_12-3.49.1
  • xen-libs-debuginfo-32bit-4.12.4_12-3.49.1
  • xen-4.12.4_12-3.49.1
  • xen-libs-32bit-4.12.4_12-3.49.1
  • xen-tools-domU-debuginfo-4.12.4_12-3.49.1
  • xen-doc-html-4.12.4_12-3.49.1
  • xen-debugsource-4.12.4_12-3.49.1
  • xen-tools-4.12.4_12-3.49.1
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • xen-libs-4.12.4_12-3.49.1
  • xen-tools-debuginfo-4.12.4_12-3.49.1
  • xen-libs-debuginfo-4.12.4_12-3.49.1
  • xen-tools-domU-4.12.4_12-3.49.1
  • xen-libs-debuginfo-32bit-4.12.4_12-3.49.1
  • xen-4.12.4_12-3.49.1
  • xen-libs-32bit-4.12.4_12-3.49.1
  • xen-tools-domU-debuginfo-4.12.4_12-3.49.1
  • xen-doc-html-4.12.4_12-3.49.1
  • xen-debugsource-4.12.4_12-3.49.1
  • xen-tools-4.12.4_12-3.49.1

References:

• https://www.suse.com/security/cve/CVE-2021-0089.html
• https://www.suse.com/security/cve/CVE-2021-20255.html
• https://www.suse.com/security/cve/CVE-2021-28690.html
• https://www.suse.com/security/cve/CVE-2021-28692.html
• https://www.suse.com/security/cve/CVE-2021-28693.html
• https://www.suse.com/security/cve/CVE-2021-28694.html
• https://www.suse.com/security/cve/CVE-2021-28695.html
• https://www.suse.com/security/cve/CVE-2021-28696.html
• https://www.suse.com/security/cve/CVE-2021-28697.html
• https://www.suse.com/security/cve/CVE-2021-28698.html
• https://www.suse.com/security/cve/CVE-2021-28699.html
• https://www.suse.com/security/cve/CVE-2021-28700.html
• https://www.suse.com/security/cve/CVE-2021-3592.html
• https://www.suse.com/security/cve/CVE-2021-3594.html
• https://www.suse.com/security/cve/CVE-2021-3595.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1179246
• https://bugzilla.suse.com/show_bug.cgi?id=1180491
• https://bugzilla.suse.com/show_bug.cgi?id=1180846
• https://bugzilla.suse.com/show_bug.cgi?id=1182654
• https://bugzilla.suse.com/show_bug.cgi?id=1183243
• https://bugzilla.suse.com/show_bug.cgi?id=1185682
• https://bugzilla.suse.com/show_bug.cgi?id=1186428
• https://bugzilla.suse.com/show_bug.cgi?id=1186429
• https://bugzilla.suse.com/show_bug.cgi?id=1186433
• https://bugzilla.suse.com/show_bug.cgi?id=1186434
• https://bugzilla.suse.com/show_bug.cgi?id=1187369
• https://bugzilla.suse.com/show_bug.cgi?id=1187376
• https://bugzilla.suse.com/show_bug.cgi?id=1187378
• https://bugzilla.suse.com/show_bug.cgi?id=1188050
• https://bugzilla.suse.com/show_bug.cgi?id=1189373
• https://bugzilla.suse.com/show_bug.cgi?id=1189376
• https://bugzilla.suse.com/show_bug.cgi?id=1189378
• https://bugzilla.suse.com/show_bug.cgi?id=1189380
• https://bugzilla.suse.com/show_bug.cgi?id=1189381
• https://bugzilla.suse.com/show_bug.cgi?id=1189882