Security update for xen

Announcement ID:	SUSE-SU-2020:3914-1
Rating:	moderate
References:	bsc#1027519 bsc#1176782 bsc#1179477 bsc#1179496 bsc#1179498 bsc#1179501 bsc#1179502 bsc#1179506 bsc#1179514 bsc#1179516
Cross-References:	CVE-2020-29130 CVE-2020-29480 CVE-2020-29481 CVE-2020-29483 CVE-2020-29484 CVE-2020-29566 CVE-2020-29570 CVE-2020-29571
CVSS scores:	CVE-2020-29130 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2020-29130 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2020-29480 ( SUSE ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVE-2020-29480 ( NVD ): 2.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N CVE-2020-29481 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2020-29481 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-29483 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29483 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29484 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29484 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2020-29566 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29566 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2020-29570 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29570 ( NVD ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-29571 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29571 ( NVD ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 eight vulnerabilities and has two security fixes can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).
• CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322).
• CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).
• CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324).
• CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).
• CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).
• CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).
• CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477).
• Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).
• Multiple other bugs (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 OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2020-3914=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-3914=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-3914=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2020-3914=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-3914=1

Package List:

• SUSE OpenStack Cloud 9 (x86_64)
  • xen-tools-4.11.4_16-2.48.1
  • xen-debugsource-4.11.4_16-2.48.1
  • xen-4.11.4_16-2.48.1
  • xen-tools-domU-debuginfo-4.11.4_16-2.48.1
  • xen-tools-domU-4.11.4_16-2.48.1
  • xen-libs-4.11.4_16-2.48.1
  • xen-libs-debuginfo-4.11.4_16-2.48.1
  • xen-libs-debuginfo-32bit-4.11.4_16-2.48.1
  • xen-doc-html-4.11.4_16-2.48.1
  • xen-libs-32bit-4.11.4_16-2.48.1
  • xen-tools-debuginfo-4.11.4_16-2.48.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • xen-tools-4.11.4_16-2.48.1
  • xen-debugsource-4.11.4_16-2.48.1
  • xen-4.11.4_16-2.48.1
  • xen-tools-domU-debuginfo-4.11.4_16-2.48.1
  • xen-tools-domU-4.11.4_16-2.48.1
  • xen-libs-4.11.4_16-2.48.1
  • xen-libs-debuginfo-4.11.4_16-2.48.1
  • xen-libs-debuginfo-32bit-4.11.4_16-2.48.1
  • xen-doc-html-4.11.4_16-2.48.1
  • xen-libs-32bit-4.11.4_16-2.48.1
  • xen-tools-debuginfo-4.11.4_16-2.48.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
  • xen-tools-4.11.4_16-2.48.1
  • xen-debugsource-4.11.4_16-2.48.1
  • xen-4.11.4_16-2.48.1
  • xen-tools-domU-debuginfo-4.11.4_16-2.48.1
  • xen-tools-domU-4.11.4_16-2.48.1
  • xen-libs-4.11.4_16-2.48.1
  • xen-libs-debuginfo-4.11.4_16-2.48.1
  • xen-libs-debuginfo-32bit-4.11.4_16-2.48.1
  • xen-doc-html-4.11.4_16-2.48.1
  • xen-libs-32bit-4.11.4_16-2.48.1
  • xen-tools-debuginfo-4.11.4_16-2.48.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
  • xen-tools-4.11.4_16-2.48.1
  • xen-debugsource-4.11.4_16-2.48.1
  • xen-4.11.4_16-2.48.1
  • xen-tools-domU-debuginfo-4.11.4_16-2.48.1
  • xen-tools-domU-4.11.4_16-2.48.1
  • xen-libs-4.11.4_16-2.48.1
  • xen-libs-debuginfo-4.11.4_16-2.48.1
  • xen-libs-debuginfo-32bit-4.11.4_16-2.48.1
  • xen-doc-html-4.11.4_16-2.48.1
  • xen-libs-32bit-4.11.4_16-2.48.1
  • xen-tools-debuginfo-4.11.4_16-2.48.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
  • xen-tools-4.11.4_16-2.48.1
  • xen-debugsource-4.11.4_16-2.48.1
  • xen-4.11.4_16-2.48.1
  • xen-tools-domU-debuginfo-4.11.4_16-2.48.1
  • xen-tools-domU-4.11.4_16-2.48.1
  • xen-libs-4.11.4_16-2.48.1
  • xen-libs-debuginfo-4.11.4_16-2.48.1
  • xen-libs-debuginfo-32bit-4.11.4_16-2.48.1
  • xen-doc-html-4.11.4_16-2.48.1
  • xen-libs-32bit-4.11.4_16-2.48.1
  • xen-tools-debuginfo-4.11.4_16-2.48.1

References:

• https://www.suse.com/security/cve/CVE-2020-29130.html
• https://www.suse.com/security/cve/CVE-2020-29480.html
• https://www.suse.com/security/cve/CVE-2020-29481.html
• https://www.suse.com/security/cve/CVE-2020-29483.html
• https://www.suse.com/security/cve/CVE-2020-29484.html
• https://www.suse.com/security/cve/CVE-2020-29566.html
• https://www.suse.com/security/cve/CVE-2020-29570.html
• https://www.suse.com/security/cve/CVE-2020-29571.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1176782
• https://bugzilla.suse.com/show_bug.cgi?id=1179477
• https://bugzilla.suse.com/show_bug.cgi?id=1179496
• https://bugzilla.suse.com/show_bug.cgi?id=1179498
• https://bugzilla.suse.com/show_bug.cgi?id=1179501
• https://bugzilla.suse.com/show_bug.cgi?id=1179502
• https://bugzilla.suse.com/show_bug.cgi?id=1179506
• https://bugzilla.suse.com/show_bug.cgi?id=1179514
• https://bugzilla.suse.com/show_bug.cgi?id=1179516