Security update for xen

Announcement ID: SUSE-SU-2015:1952-1
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:
  • SUSE Linux Enterprise Server 11 SP2 LTSS 11-SP2

An update that solves seven vulnerabilities and has one security fix can now be installed.

Description:

xen was updated to fix eight 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-2015-5239: 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).

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 Server 11 SP2 LTSS 11-SP2
    zypper in -t patch slessp2-xen-12199=1

Package List:

  • SUSE Linux Enterprise Server 11 SP2 LTSS 11-SP2 (x86_64 i586)
    • xen-devel-4.1.6_08-20.1
    • xen-kmp-trace-4.1.6_08_3.0.101_0.7.37-20.1
    • xen-tools-domU-4.1.6_08-20.1
    • xen-kmp-default-4.1.6_08_3.0.101_0.7.37-20.1
    • xen-libs-4.1.6_08-20.1
  • SUSE Linux Enterprise Server 11 SP2 LTSS 11-SP2 (i586)
    • xen-kmp-pae-4.1.6_08_3.0.101_0.7.37-20.1
  • SUSE Linux Enterprise Server 11 SP2 LTSS 11-SP2 (x86_64)
    • xen-tools-4.1.6_08-20.1
    • xen-doc-html-4.1.6_08-20.1
    • xen-4.1.6_08-20.1
    • xen-libs-32bit-4.1.6_08-20.1
    • xen-doc-pdf-4.1.6_08-20.1

References: