openSUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2017:1826-1
Rating:             important
References:         #1027519 #1035642 #1037243 #1042160 #1042882 
                    #1042893 #1042915 #1042923 #1042924 #1042931 
                    #1042938 
Cross-References:   CVE-2017-10912 CVE-2017-10913 CVE-2017-10914
                    CVE-2017-10915 CVE-2017-10917 CVE-2017-10918
                    CVE-2017-10920 CVE-2017-10921 CVE-2017-10922
                    CVE-2017-8309 CVE-2017-9330
Affected Products:
                    openSUSE Leap 42.2
______________________________________________________________________________

   An update that fixes 11 vulnerabilities is now available.

Description:

   This update for xen fixes several issues.

   These security issues were fixed:

   - CVE-2017-10912: Page transfer might have allowed PV guest to elevate
     privilege (XSA-217, bsc#1042882)
   - CVE-2017-10913 CVE-2017-10914: Races in the grant table unmap code
     allowed for informations leaks and potentially privilege escalation
     (XSA-218, bsc#1042893)
   - CVE-2017-10915: Insufficient reference counts during shadow emulation
     allowed a malicious pair of guest to elevate their privileges to the
     privileges that XEN runs under (XSA-219, bsc#1042915)
   - CVE-2017-10917: Missing NULL pointer check in event channel poll allows
     guests to DoS the host (XSA-221, bsc#1042924)
   - CVE-2017-10918: Stale P2M mappings due to insufficient error checking
     allowed malicious guest to leak information or elevate privileges
     (XSA-222, bsc#1042931)
   - CVE-2017-10920, CVE-2017-10921, CVE-2017-10922: Grant table operations
     mishandled reference counts allowing malicious guests to escape
     (XSA-224, bsc#1042938)
   - CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users
     to cause a denial of service (infinite loop) by leveraging an incorrect
     return value (bsc#1042160)
   - CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers
     to cause a denial of service (memory consumption) by repeatedly starting
     and stopping audio capture (bsc#1037243)
   - PKRU and BND* leakage between vCPU-s might have leaked information to
     other guests (XSA-220, bsc#1042923)

   These non-security issues were fixed:

   - bsc#1027519: Included various upstream patches
   - bsc#1035642: Ensure that rpmbuild works

   This update was imported from the SUSE:SLE-12-SP2:Update update project.


Patch Instructions:

   To install this openSUSE Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - openSUSE Leap 42.2:

      zypper in -t patch openSUSE-2017-799=1

   To bring your system up-to-date, use "zypper patch".


Package List:

   - openSUSE Leap 42.2 (i586 x86_64):

      xen-debugsource-4.7.2_06-11.9.1
      xen-devel-4.7.2_06-11.9.1
      xen-libs-4.7.2_06-11.9.1
      xen-libs-debuginfo-4.7.2_06-11.9.1
      xen-tools-domU-4.7.2_06-11.9.1
      xen-tools-domU-debuginfo-4.7.2_06-11.9.1

   - openSUSE Leap 42.2 (x86_64):

      xen-4.7.2_06-11.9.1
      xen-doc-html-4.7.2_06-11.9.1
      xen-libs-32bit-4.7.2_06-11.9.1
      xen-libs-debuginfo-32bit-4.7.2_06-11.9.1
      xen-tools-4.7.2_06-11.9.1
      xen-tools-debuginfo-4.7.2_06-11.9.1


References:

   https://www.suse.com/security/cve/CVE-2017-10912.html
   https://www.suse.com/security/cve/CVE-2017-10913.html
   https://www.suse.com/security/cve/CVE-2017-10914.html
   https://www.suse.com/security/cve/CVE-2017-10915.html
   https://www.suse.com/security/cve/CVE-2017-10917.html
   https://www.suse.com/security/cve/CVE-2017-10918.html
   https://www.suse.com/security/cve/CVE-2017-10920.html
   https://www.suse.com/security/cve/CVE-2017-10921.html
   https://www.suse.com/security/cve/CVE-2017-10922.html
   https://www.suse.com/security/cve/CVE-2017-8309.html
   https://www.suse.com/security/cve/CVE-2017-9330.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1035642
   https://bugzilla.suse.com/1037243
   https://bugzilla.suse.com/1042160
   https://bugzilla.suse.com/1042882
   https://bugzilla.suse.com/1042893
   https://bugzilla.suse.com/1042915
   https://bugzilla.suse.com/1042923
   https://bugzilla.suse.com/1042924
   https://bugzilla.suse.com/1042931
   https://bugzilla.suse.com/1042938

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