Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2017:2611-1
Rating: important
References: #1056278 #1056281 #1056282
Affected Products:
  • SUSE Linux Enterprise Server 11-SP3-LTSS
  • SUSE Linux Enterprise Point of Sale 11-SP3
  • SUSE Linux Enterprise Debuginfo 11-SP3
    		•

    An update that fixes three vulnerabilities is now available.

    Description:

    This update for xen fixes several issues.

    These security issues were fixed:

    - CVE-2017-14316: Missing bound check in function `alloc_heap_pages` for
    an internal array allowed attackers using crafted hypercalls to execute
    arbitrary code within Xen (XSA-231, bsc#1056278)
    - CVE-2017-14317: A race in cxenstored may have cause a double-free
    allowind for DoS of the xenstored daemon (XSA-233, bsc#1056281).
    - CVE-2017-14319: An error while handling grant mappings allowed malicious
    or buggy x86 PV guest to escalate its privileges or crash the hypervisor
    (XSA-234, bsc#1056282).

    Patch Instructions:

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

    • SUSE Linux Enterprise Server 11-SP3-LTSS:
      zypper in -t patch slessp3-xen-13283=1
    • SUSE Linux Enterprise Point of Sale 11-SP3:
      zypper in -t patch sleposp3-xen-13283=1
    • SUSE Linux Enterprise Debuginfo 11-SP3:
      zypper in -t patch dbgsp3-xen-13283=1

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

    Package List:

    • SUSE Linux Enterprise Server 11-SP3-LTSS (i586 x86_64):
      • xen-kmp-default-4.2.5_21_3.0.101_0.47.105-45.8.1
      • xen-libs-4.2.5_21-45.8.1
      • xen-tools-domU-4.2.5_21-45.8.1
    • SUSE Linux Enterprise Server 11-SP3-LTSS (x86_64):
      • xen-4.2.5_21-45.8.1
      • xen-doc-html-4.2.5_21-45.8.1
      • xen-doc-pdf-4.2.5_21-45.8.1
      • xen-libs-32bit-4.2.5_21-45.8.1
      • xen-tools-4.2.5_21-45.8.1
    • SUSE Linux Enterprise Server 11-SP3-LTSS (i586):
      • xen-kmp-pae-4.2.5_21_3.0.101_0.47.105-45.8.1
    • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
      • xen-kmp-default-4.2.5_21_3.0.101_0.47.105-45.8.1
      • xen-kmp-pae-4.2.5_21_3.0.101_0.47.105-45.8.1
      • xen-libs-4.2.5_21-45.8.1
      • xen-tools-domU-4.2.5_21-45.8.1
    • SUSE Linux Enterprise Debuginfo 11-SP3 (i586 x86_64):
      • xen-debuginfo-4.2.5_21-45.8.1
      • xen-debugsource-4.2.5_21-45.8.1

    References: