Security update for kvm

Announcement ID: SUSE-SU-2016:0010-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2015-7512 ( NVD ): 9.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Desktop 11 SP4
  • SUSE Linux Enterprise Server 11 SP4

An update that solves two vulnerabilities and has three security fixes can now be installed.

Description:

This update for kvm fixes the following issues:

Security issues fixed: - CVE-2015-7512: The receive packet size is now checked in the emulated pcnet driver, eliminating buffer overflow and potential security issue by malicious guest systems. (bsc#957162) - CVE-2015-8345: A infinite loop in processing command block list was fixed that could be exploit by malicious guest systems (bsc#956829).

Other bugs fixed: - To assist users past the migration incompatibility discussed in bsc#950590 (restore migration compatibility with SLE11 SP3 and SLE12, at the unfortunate expense to prior SLE11 SP4 kvm release compatability when a virtio-net device is used), print a message which references the support document TID 7017048. See https://www.suse.com/support/kb/doc.php?id=7017048 - Fix cases of wrong clock values in kvmclock timekeeping (bsc#947164 and bsc#953187) - Enforce pxe rom sizes to ensure migration compatibility. (bsc#950590) - Fix kvm live migration fails between sles11 sp3 and sp4 (bsc#950590)

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-kvm-12293=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-kvm-12293=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-kvm-12293=1

Package List:

  • SUSE Linux Enterprise Desktop 11 SP4 (x86_64 i586)
    • kvm-1.4.2-35.1
  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586)
    • kvm-1.4.2-35.1
  • SLES for SAP Applications 11-SP4 (x86_64)
    • kvm-1.4.2-35.1

References: