Security update for xen

Announcement ID:	SUSE-SU-2020:14444-1
Rating:	important
References:	bsc#1152497 bsc#1154448 bsc#1154456 bsc#1154458 bsc#1154461 bsc#1155945 bsc#1157888 bsc#1158004 bsc#1158005 bsc#1158006 bsc#1158007 bsc#1161181 bsc#1163019 bsc#1168140 bsc#1169392 bsc#1174543
Cross-References:	CVE-2018-12207 CVE-2019-11135 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-2019-19583 CVE-2020-11740 CVE-2020-11741 CVE-2020-11742 CVE-2020-7211 CVE-2020-8608
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-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-2019-18420 ( 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-2019-19583 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-11740 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2020-11741 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-11742 ( SUSE ): 4.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L CVE-2020-11742 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/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 CVE-2020-8608 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H CVE-2020-8608 ( NVD ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:	SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

An update that solves 16 vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• bsc#1174543 - secure boot related fixes
• bsc#1163019 - CVE-2020-8608: potential OOB access due to unsafe snprintf() usages
• bsc#1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
• bsc#1168140 - CVE-2020-11740, CVE-2020-11741: multiple xenoprof issues
• bsc#1161181 - CVE-2020-7211: potential directory traversal using relative paths via tftp server on Windows host
• bsc#1157888 - CVE-2019-19579: Device quarantine for alternate pci assignment methods
• bsc#1158004 - CVE-2019-19583: VMX: VMentry failure with debug exceptions and blocked states
• bsc#1158005 - CVE-2019-19578: Linear pagetable use / entry miscounts
• bsc#1158006 - CVE-2019-19580: Further issues with restartable PV type change operations
• bsc#1158007 - CVE-2019-19577: dynamic height for the IOMMU pagetables
• bsc#1154448 - CVE-2019-18420: VCPUOP_initialise DoS
• bsc#1154456 - CVE-2019-18425: missing descriptor table limit checking in x86 PV emulation
• bsc#1154458 - CVE-2019-18421: Issues with restartable PV type change operations
• bsc#1154461 - CVE-2019-18424: passed through PCI devices may corrupt host memory after deassignment
• bsc#1155945 - CVE-2018-12207: Machine Check Error Avoidance on Page Size Change (aka IFU issue)
• bsc#1152497 - CVE-2019-11135: TSX Asynchronous Abort (TAA) issue

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 11 SP4 LTSS 11-SP4
  zypper in -t patch slessp4-xen-14444=1
• SUSE Linux Enterprise Server 11 SP4
  zypper in -t patch slessp4-xen-14444=1

Package List:

• SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (x86_64 i586)
  • xen-kmp-default-4.4.4_42_3.0.101_108.114-61.52.1
  • xen-libs-4.4.4_42-61.52.1
  • xen-tools-domU-4.4.4_42-61.52.1
• SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (i586)
  • xen-kmp-pae-4.4.4_42_3.0.101_108.114-61.52.1
• SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (x86_64)
  • xen-doc-html-4.4.4_42-61.52.1
  • xen-tools-4.4.4_42-61.52.1
  • xen-4.4.4_42-61.52.1
  • xen-libs-32bit-4.4.4_42-61.52.1
• SUSE Linux Enterprise Server 11 SP4 (x86_64 i586)
  • xen-kmp-default-4.4.4_42_3.0.101_108.114-61.52.1
  • xen-libs-4.4.4_42-61.52.1
  • xen-tools-domU-4.4.4_42-61.52.1
• SUSE Linux Enterprise Server 11 SP4 (i586)
  • xen-kmp-pae-4.4.4_42_3.0.101_108.114-61.52.1
• SUSE Linux Enterprise Server 11 SP4 (x86_64)
  • xen-doc-html-4.4.4_42-61.52.1
  • xen-tools-4.4.4_42-61.52.1
  • xen-4.4.4_42-61.52.1
  • xen-libs-32bit-4.4.4_42-61.52.1

References:

• https://www.suse.com/security/cve/CVE-2018-12207.html
• https://www.suse.com/security/cve/CVE-2019-11135.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-2019-19583.html
• https://www.suse.com/security/cve/CVE-2020-11740.html
• https://www.suse.com/security/cve/CVE-2020-11741.html
• https://www.suse.com/security/cve/CVE-2020-11742.html
• https://www.suse.com/security/cve/CVE-2020-7211.html
• https://www.suse.com/security/cve/CVE-2020-8608.html
• 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=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
• https://bugzilla.suse.com/show_bug.cgi?id=1163019
• https://bugzilla.suse.com/show_bug.cgi?id=1168140
• https://bugzilla.suse.com/show_bug.cgi?id=1169392
• https://bugzilla.suse.com/show_bug.cgi?id=1174543