Security update for Xen

SUSE Security Update: Security update for Xen
Announcement ID: SUSE-SU-2015:0944-1
Rating: important
References: #910441 #927967 #929339
Affected Products:
  • SUSE Linux Enterprise Server 11 SP2 LTSS

  • An update that solves two vulnerabilities and has one errata is now available.


    Xen was updated to fix two security issues and a bug:

    • CVE-2015-3456: A buffer overflow in the floppy drive emulation, which could be used to carry out denial of service attacks or potential code execution against the host. This vulnerability is also known as VENOM.
    • CVE-2015-3340: Xen did not initialize certain fields, which allowed certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.
    • An exception in setCPUAffinity when restoring guests. (bsc#910441)

    Security Issues:

    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 SP2 LTSS:
      zypper in -t patch slessp2-xen=10685

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

    Package List:

    • SUSE Linux Enterprise Server 11 SP2 LTSS (i586 x86_64):
      • xen-devel-4.1.6_08-0.11.1
      • xen-kmp-default-4.1.6_08_3.0.101_0.7.29-0.11.1
      • xen-kmp-trace-4.1.6_08_3.0.101_0.7.29-0.11.1
      • xen-libs-4.1.6_08-0.11.1
      • xen-tools-domU-4.1.6_08-0.11.1
    • SUSE Linux Enterprise Server 11 SP2 LTSS (x86_64):
      • xen-4.1.6_08-0.11.1
      • xen-doc-html-4.1.6_08-0.11.1
      • xen-doc-pdf-4.1.6_08-0.11.1
      • xen-libs-32bit-4.1.6_08-0.11.1
      • xen-tools-4.1.6_08-0.11.1
    • SUSE Linux Enterprise Server 11 SP2 LTSS (i586):
      • xen-kmp-pae-4.1.6_08_3.0.101_0.7.29-0.11.1