Security update for xen

Announcement ID:	SUSE-SU-2021:1023-1
Rating:	important
References:	bsc#1027519 bsc#1177112 bsc#1177204 bsc#1178591 bsc#1178736 bsc#1179148 bsc#1181254 bsc#1181989 bsc#1182846 bsc#1183072
Cross-References:	CVE-2020-28368 CVE-2021-20257 CVE-2021-28687 CVE-2021-3308
CVSS scores:	CVE-2020-28368 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2020-28368 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVE-2021-20257 ( SUSE ): 3.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L CVE-2021-20257 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2021-28687 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28687 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-3308 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H CVE-2021-3308 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 four vulnerabilities and has six security fixes can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2021-3308: VUL-0: xen: IRQ vector leak on x86 (bsc#1181254, XSA-360)
• CVE-2021-28687: VUL-0: xen: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368)
• CVE-2021-20257: VUL-0: xen: infinite loop issue in the e1000 NIC emulator (bsc#1182846)
• CVE-2020-28368: VUL-0: xen: Intel RAPL sidechannel attack aka PLATYPUS attack aka (bsc#1178591, XSA-351)
• L3: conring size for XEN HV's with huge memory to small. Inital Xen logs cut (bsc#1177204)
• Kdump of HVM fails, soft-reset not handled by libxl (bsc#1179148)
• OpenQA job causes libvirtd to dump core when running kdump inside domain (bsc#1181989)
• Allow restart of xenwatchdogd, enable tuning of keep-alive interval and timeout options via XENWATCHDOGD_ARGS= (bsc#1178736)
• The receiving side did detect holes in a to-be-allocated superpage, but allocated a superpage anyway. This resulted to over-allocation (bsc#1177112)
• The receiving side may punch holes incorrectly into optimistically allocated superpages. Also reduce overhead in bitmap handling (bsc#1177112)
• Upstream bug fixes (bsc#1027519)

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-SP5-2021-1023=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1023=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1023=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1023=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
  • xen-debugsource-4.12.4_09-3.39.3
  • xen-devel-4.12.4_09-3.39.3
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • xen-tools-domU-debuginfo-4.12.4_09-3.39.3
  • xen-tools-domU-4.12.4_09-3.39.3
  • xen-libs-4.12.4_09-3.39.3
  • xen-libs-32bit-4.12.4_09-3.39.3
  • xen-libs-debuginfo-4.12.4_09-3.39.3
  • xen-doc-html-4.12.4_09-3.39.3
  • xen-tools-debuginfo-4.12.4_09-3.39.3
  • xen-4.12.4_09-3.39.3
  • xen-libs-debuginfo-32bit-4.12.4_09-3.39.3
  • xen-debugsource-4.12.4_09-3.39.3
  • xen-tools-4.12.4_09-3.39.3
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • xen-tools-domU-debuginfo-4.12.4_09-3.39.3
  • xen-tools-domU-4.12.4_09-3.39.3
  • xen-libs-4.12.4_09-3.39.3
  • xen-libs-32bit-4.12.4_09-3.39.3
  • xen-libs-debuginfo-4.12.4_09-3.39.3
  • xen-doc-html-4.12.4_09-3.39.3
  • xen-tools-debuginfo-4.12.4_09-3.39.3
  • xen-4.12.4_09-3.39.3
  • xen-libs-debuginfo-32bit-4.12.4_09-3.39.3
  • xen-debugsource-4.12.4_09-3.39.3
  • xen-tools-4.12.4_09-3.39.3
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • xen-tools-domU-debuginfo-4.12.4_09-3.39.3
  • xen-tools-domU-4.12.4_09-3.39.3
  • xen-libs-4.12.4_09-3.39.3
  • xen-libs-32bit-4.12.4_09-3.39.3
  • xen-libs-debuginfo-4.12.4_09-3.39.3
  • xen-doc-html-4.12.4_09-3.39.3
  • xen-tools-debuginfo-4.12.4_09-3.39.3
  • xen-4.12.4_09-3.39.3
  • xen-libs-debuginfo-32bit-4.12.4_09-3.39.3
  • xen-debugsource-4.12.4_09-3.39.3
  • xen-tools-4.12.4_09-3.39.3

References:

• https://www.suse.com/security/cve/CVE-2020-28368.html
• https://www.suse.com/security/cve/CVE-2021-20257.html
• https://www.suse.com/security/cve/CVE-2021-28687.html
• https://www.suse.com/security/cve/CVE-2021-3308.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1177112
• https://bugzilla.suse.com/show_bug.cgi?id=1177204
• https://bugzilla.suse.com/show_bug.cgi?id=1178591
• https://bugzilla.suse.com/show_bug.cgi?id=1178736
• https://bugzilla.suse.com/show_bug.cgi?id=1179148
• https://bugzilla.suse.com/show_bug.cgi?id=1181254
• https://bugzilla.suse.com/show_bug.cgi?id=1181989
• https://bugzilla.suse.com/show_bug.cgi?id=1182846
• https://bugzilla.suse.com/show_bug.cgi?id=1183072