Security update for xen

Announcement ID: SUSE-SU-2015:1894-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2015-5239 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2015-6815 ( NVD ): 3.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Desktop 11 SP4
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Software Development Kit 11 SP4

An update that solves eight vulnerabilities and has nine security fixes can now be installed.

Description:

xen was updated to version 4.4.3 to fix nine security issues.

These security issues were fixed: - CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.- files before the program (bsc#932267). - CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697). - CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).

These non-security issues were fixed: - bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed - bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC - bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed - bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed - bnc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores - bsc#945167: Running command: xl pci-assignable-add 03:10.1 secondly show errors - bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort - bsc#949549: xm create hangs when maxmen value is enclosed in quotes

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 Linux Enterprise Desktop 11 SP4
    zypper in -t patch sledsp4-xen-12184=1
  • SUSE Linux Enterprise Software Development Kit 11 SP4
    zypper in -t patch sdksp4-xen-12184=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-xen-12184=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-xen-12184=1

Package List:

  • SUSE Linux Enterprise Desktop 11 SP4 (x86_64 i586)
    • xen-kmp-default-4.4.3_02_3.0.101_65-26.2
    • xen-libs-4.4.3_02-26.2
    • xen-tools-domU-4.4.3_02-26.2
  • SUSE Linux Enterprise Desktop 11 SP4 (i586)
    • xen-kmp-pae-4.4.3_02_3.0.101_65-26.2
  • SUSE Linux Enterprise Desktop 11 SP4 (x86_64)
    • xen-libs-32bit-4.4.3_02-26.2
    • xen-tools-4.4.3_02-26.2
    • xen-4.4.3_02-26.2
    • xen-doc-html-4.4.3_02-26.2
  • SUSE Linux Enterprise Software Development Kit 11 SP4 (x86_64 i586)
    • xen-devel-4.4.3_02-26.2
  • SUSE Linux Enterprise Server 11 SP4 (x86_64 i586)
    • xen-kmp-default-4.4.3_02_3.0.101_65-26.2
    • xen-libs-4.4.3_02-26.2
    • xen-tools-domU-4.4.3_02-26.2
  • SUSE Linux Enterprise Server 11 SP4 (i586)
    • xen-kmp-pae-4.4.3_02_3.0.101_65-26.2
  • SUSE Linux Enterprise Server 11 SP4 (x86_64)
    • xen-libs-32bit-4.4.3_02-26.2
    • xen-tools-4.4.3_02-26.2
    • xen-4.4.3_02-26.2
    • xen-doc-html-4.4.3_02-26.2
  • SLES for SAP Applications 11-SP4 (x86_64)
    • xen-kmp-default-4.4.3_02_3.0.101_65-26.2
    • xen-libs-4.4.3_02-26.2
    • xen-tools-4.4.3_02-26.2
    • xen-4.4.3_02-26.2
    • xen-libs-32bit-4.4.3_02-26.2
    • xen-doc-html-4.4.3_02-26.2
    • xen-tools-domU-4.4.3_02-26.2

References: