Security update for xen

Announcement ID:	SUSE-SU-2020:0388-1
Rating:	important
References:	bsc#1115045 bsc#1126140 bsc#1126141 bsc#1126192 bsc#1126195 bsc#1126196 bsc#1126201 bsc#1135905 bsc#1143797 bsc#1145652 bsc#1146874 bsc#1149813 bsc#1152497 bsc#1154448 bsc#1154456 bsc#1154458 bsc#1154461 bsc#1155945 bsc#1157888 bsc#1158003 bsc#1158004 bsc#1158005 bsc#1158006 bsc#1158007 bsc#1161181
Cross-References:	CVE-2018-12207 CVE-2018-19965 CVE-2019-11135 CVE-2019-12067 CVE-2019-12068 CVE-2019-12155 CVE-2019-14378 CVE-2019-15890 CVE-2019-17340 CVE-2019-17341 CVE-2019-17342 CVE-2019-17343 CVE-2019-17344 CVE-2019-17347 CVE-2019-18420 CVE-2019-18421 CVE-2019-18424 CVE-2019-18425 CVE-2019-19577 CVE-2019-19578 CVE-2019-19579 CVE-2019-19580 CVE-2019-19581 CVE-2019-19583 CVE-2020-7211
CVSS scores:	CVE-2018-12207 ( SUSE ): 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2018-12207 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2018-19965 ( NVD ): 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2019-11135 ( SUSE ): 6.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2019-11135 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2019-12067 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVE-2019-12067 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2019-12068 ( SUSE ): 4.4 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2019-12068 ( NVD ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L CVE-2019-12155 ( SUSE ): 3.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L CVE-2019-12155 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-14378 ( SUSE ): 7.8 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2019-14378 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-15890 ( SUSE ): 5.8 CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2019-17340 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-17340 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2019-17341 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2019-17342 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-17343 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2019-17344 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-17344 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2019-17347 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2019-17347 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-18420 ( SUSE ): 6.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2019-18420 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2019-18421 ( SUSE ): 8.2 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2019-18421 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-18424 ( SUSE ): 7.6 CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2019-18424 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2019-18425 ( SUSE ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-18425 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2019-19577 ( SUSE ): 7.2 CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2019-19577 ( NVD ): 7.2 CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2019-19578 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2019-19578 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2019-19579 ( SUSE ): 6.9 CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2019-19579 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2019-19580 ( NVD ): 6.6 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2019-19581 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2019-19583 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-7211 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVE-2020-7211 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:	SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP1

An update that solves 25 vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2018-12207: Fixed a race condition where untrusted virtual machines could have been using the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional (bsc#1155945 XSA-304).
• CVE-2018-19965: Fixed a DoS from attempting to use INVPCID with a non-canonical addresses (bsc#1115045 XSA-279).
• CVE-2019-11135: Aborting an asynchronous TSX operation on Intel CPUs with Transactional Memory support could be used to facilitate side-channel information leaks out of microarchitectural buffers, similar to the previously described "Microarchitectural Data Sampling" attack. (bsc#1152497 XSA-305).
• CVE-2019-12067: Fixed a null pointer dereference in QEMU AHCI (bsc#1145652).
• CVE-2019-12068: Fixed an infinite loop while executing script (bsc#1146874).
• CVE-2019-12155: Fixed a null pointer dereference while releasing spice resources (bsc#1135905).
• CVE-2019-14378: Fixed a heap buffer overflow during packet reassembly in slirp networking implementation (bsc#1143797).
• CVE-2019-15890: Fixed a use-after-free during packet reassembly (bsc#1149813).
• CVE-2019-17340: Fixed grant table transfer issues on large hosts (XSA-284 bsc#1126140).
• CVE-2019-17341: Fixed a race with pass-through device hotplug (XSA-285 bsc#1126141).
• CVE-2019-17342: Fixed steal_page violating page_struct access discipline (XSA-287 bsc#1126192).
• CVE-2019-17343: Fixed an inconsistent PV IOMMU discipline (XSA-288 bsc#1126195).
• CVE-2019-17344: Fixed a missing preemption in x86 PV page table unvalidation (XSA-290 bsc#1126196).
• CVE-2019-17347: Fixed a PV kernel context switch corruption (XSA-293 bsc#1126201).
• CVE-2019-18420: Fixed a hypervisor crash that could be caused by malicious x86 PV guests, resulting in a denial of service (bsc#1154448 XSA-296).
• CVE-2019-18421: Fixed a privilege escalation through malicious PV guest administrators (bsc#1154458 XSA-299).
• CVE-2019-18424: Fixed a privilege escalation through DMA to physical devices by untrusted domains (bsc#1154461 XSA-302).
• CVE-2019-18425: Fixed a privilege escalation from 32-bit PV guest used mode (bsc#1154456 XSA-298).
• CVE-2019-19577: Fixed an issue where a malicious guest administrator could have caused Xen to access data structures while they are being modified leading to a crash (bsc#1158007 XSA-311).
• CVE-2019-19578: Fixed an issue where a malicious or buggy PV guest could have caused hypervisor crash resulting in denial of service affecting the entire host (bsc#1158005 XSA-309).
• CVE-2019-19579: Fixed a privilege escalation where an untrusted domain with access to a physical device can DMA into host memory (bsc#1157888 XSA-306).
• CVE-2019-19580: Fixed a privilege escalation where a malicious PV guest administrator could have been able to escalate their privilege to that of the host (bsc#1158006 XSA-310).
• CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm (bsc#1158003 XSA-307).
• CVE-2019-19583: Fixed improper checks which could have allowed HVM/PVH guest userspace code to crash the guest, leading to a guest denial of service (bsc#1158004 XSA-308).

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 Server for SAP Applications 12 SP1
  zypper in -t patch SUSE-SLE-SAP-12-SP1-2020-388=1
• SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1
  zypper in -t patch SUSE-SLE-SERVER-12-SP1-2020-388=1

Package List:

• SUSE Linux Enterprise Server for SAP Applications 12 SP1 (x86_64)
  • xen-doc-html-4.5.5_28-22.64.1
  • xen-libs-4.5.5_28-22.64.1
  • xen-tools-4.5.5_28-22.64.1
  • xen-tools-domU-4.5.5_28-22.64.1
  • xen-4.5.5_28-22.64.1
  • xen-kmp-default-4.5.5_28_k3.12.74_60.64.124-22.64.1
  • xen-debugsource-4.5.5_28-22.64.1
  • xen-kmp-default-debuginfo-4.5.5_28_k3.12.74_60.64.124-22.64.1
  • xen-libs-32bit-4.5.5_28-22.64.1
  • xen-tools-debuginfo-4.5.5_28-22.64.1
  • xen-libs-debuginfo-4.5.5_28-22.64.1
  • xen-libs-debuginfo-32bit-4.5.5_28-22.64.1
  • xen-tools-domU-debuginfo-4.5.5_28-22.64.1
• SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1 (x86_64)
  • xen-doc-html-4.5.5_28-22.64.1
  • xen-libs-4.5.5_28-22.64.1
  • xen-tools-4.5.5_28-22.64.1
  • xen-tools-domU-4.5.5_28-22.64.1
  • xen-4.5.5_28-22.64.1
  • xen-kmp-default-4.5.5_28_k3.12.74_60.64.124-22.64.1
  • xen-debugsource-4.5.5_28-22.64.1
  • xen-kmp-default-debuginfo-4.5.5_28_k3.12.74_60.64.124-22.64.1
  • xen-libs-32bit-4.5.5_28-22.64.1
  • xen-tools-debuginfo-4.5.5_28-22.64.1
  • xen-libs-debuginfo-4.5.5_28-22.64.1
  • xen-libs-debuginfo-32bit-4.5.5_28-22.64.1
  • xen-tools-domU-debuginfo-4.5.5_28-22.64.1

References:

• https://www.suse.com/security/cve/CVE-2018-12207.html
• https://www.suse.com/security/cve/CVE-2018-19965.html
• https://www.suse.com/security/cve/CVE-2019-11135.html
• https://www.suse.com/security/cve/CVE-2019-12067.html
• https://www.suse.com/security/cve/CVE-2019-12068.html
• https://www.suse.com/security/cve/CVE-2019-12155.html
• https://www.suse.com/security/cve/CVE-2019-14378.html
• https://www.suse.com/security/cve/CVE-2019-15890.html
• https://www.suse.com/security/cve/CVE-2019-17340.html
• https://www.suse.com/security/cve/CVE-2019-17341.html
• https://www.suse.com/security/cve/CVE-2019-17342.html
• https://www.suse.com/security/cve/CVE-2019-17343.html
• https://www.suse.com/security/cve/CVE-2019-17344.html
• https://www.suse.com/security/cve/CVE-2019-17347.html
• https://www.suse.com/security/cve/CVE-2019-18420.html
• https://www.suse.com/security/cve/CVE-2019-18421.html
• https://www.suse.com/security/cve/CVE-2019-18424.html
• https://www.suse.com/security/cve/CVE-2019-18425.html
• https://www.suse.com/security/cve/CVE-2019-19577.html
• https://www.suse.com/security/cve/CVE-2019-19578.html
• https://www.suse.com/security/cve/CVE-2019-19579.html
• https://www.suse.com/security/cve/CVE-2019-19580.html
• https://www.suse.com/security/cve/CVE-2019-19581.html
• https://www.suse.com/security/cve/CVE-2019-19583.html
• https://www.suse.com/security/cve/CVE-2020-7211.html
• https://bugzilla.suse.com/show_bug.cgi?id=1115045
• https://bugzilla.suse.com/show_bug.cgi?id=1126140
• https://bugzilla.suse.com/show_bug.cgi?id=1126141
• https://bugzilla.suse.com/show_bug.cgi?id=1126192
• https://bugzilla.suse.com/show_bug.cgi?id=1126195
• https://bugzilla.suse.com/show_bug.cgi?id=1126196
• https://bugzilla.suse.com/show_bug.cgi?id=1126201
• https://bugzilla.suse.com/show_bug.cgi?id=1135905
• https://bugzilla.suse.com/show_bug.cgi?id=1143797
• https://bugzilla.suse.com/show_bug.cgi?id=1145652
• https://bugzilla.suse.com/show_bug.cgi?id=1146874
• https://bugzilla.suse.com/show_bug.cgi?id=1149813
• https://bugzilla.suse.com/show_bug.cgi?id=1152497
• https://bugzilla.suse.com/show_bug.cgi?id=1154448
• https://bugzilla.suse.com/show_bug.cgi?id=1154456
• https://bugzilla.suse.com/show_bug.cgi?id=1154458
• https://bugzilla.suse.com/show_bug.cgi?id=1154461
• https://bugzilla.suse.com/show_bug.cgi?id=1155945
• https://bugzilla.suse.com/show_bug.cgi?id=1157888
• https://bugzilla.suse.com/show_bug.cgi?id=1158003
• https://bugzilla.suse.com/show_bug.cgi?id=1158004
• https://bugzilla.suse.com/show_bug.cgi?id=1158005
• https://bugzilla.suse.com/show_bug.cgi?id=1158006
• https://bugzilla.suse.com/show_bug.cgi?id=1158007
• https://bugzilla.suse.com/show_bug.cgi?id=1161181