SUSE-SU-2020:14578-1: moderate: Security update for xen

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:14578-1
Rating:             moderate
References:         #1179477 #1179496 #1179498 #1179501 #1179502 
                    #1179506 #1179514 #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
Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
                    SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

   An update that fixes 8 vulnerabilities is now available.

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).


Patch Instructions:

   To install this SUSE Security 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:

      zypper in -t patch slessp4-xen-14578=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-xen-14578=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):

      xen-kmp-default-4.4.4_48_3.0.101_108.117-61.61.1
      xen-libs-4.4.4_48-61.61.1
      xen-tools-domU-4.4.4_48-61.61.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):

      xen-4.4.4_48-61.61.1
      xen-doc-html-4.4.4_48-61.61.1
      xen-libs-32bit-4.4.4_48-61.61.1
      xen-tools-4.4.4_48-61.61.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586):

      xen-kmp-pae-4.4.4_48_3.0.101_108.117-61.61.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):

      xen-debuginfo-4.4.4_48-61.61.1
      xen-debugsource-4.4.4_48-61.61.1


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/1179477
   https://bugzilla.suse.com/1179496
   https://bugzilla.suse.com/1179498
   https://bugzilla.suse.com/1179501
   https://bugzilla.suse.com/1179502
   https://bugzilla.suse.com/1179506
   https://bugzilla.suse.com/1179514
   https://bugzilla.suse.com/1179516