Security update for qemu

SUSE Security Update: Security update for qemu
Announcement ID: SUSE-SU-2018:2973-2
Rating: moderate
References: #1092885 #1096223 #1098735
Cross-References:CVE-2018-11806 CVE-2018-12617 CVE-2018-3639
Affected Products:
  • SUSE Linux Enterprise Server 12-SP2-BCL

An update that fixes three vulnerabilities is now available.

Description:

This update for qemu fixes the following security issues:

  • CVE-2018-12617: qmp_guest_file_read had an integer overflow that could have been exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket causing DoS (bsc#1098735)
  • CVE-2018-11806: Prevent heap-based buffer overflow via incoming fragmented datagrams (bsc#1096223)

With this release the mitigations for Spectre v4 are moved the the patches from upstream (CVE-2018-3639, bsc#1092885).

Patch Instructions:

To install this SUSE Security 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 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2018-2116=1

Package List:

  • SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
    • qemu-2.6.2-41.43.3
    • qemu-block-curl-2.6.2-41.43.3
    • qemu-block-curl-debuginfo-2.6.2-41.43.3
    • qemu-block-rbd-2.6.2-41.43.3
    • qemu-block-rbd-debuginfo-2.6.2-41.43.3
    • qemu-block-ssh-2.6.2-41.43.3
    • qemu-block-ssh-debuginfo-2.6.2-41.43.3
    • qemu-debugsource-2.6.2-41.43.3
    • qemu-guest-agent-2.6.2-41.43.3
    • qemu-guest-agent-debuginfo-2.6.2-41.43.3
    • qemu-kvm-2.6.2-41.43.3
    • qemu-lang-2.6.2-41.43.3
    • qemu-tools-2.6.2-41.43.3
    • qemu-tools-debuginfo-2.6.2-41.43.3
    • qemu-x86-2.6.2-41.43.3
    • qemu-x86-debuginfo-2.6.2-41.43.3
  • SUSE Linux Enterprise Server 12-SP2-BCL (noarch):
    • qemu-ipxe-1.0.0-41.43.3
    • qemu-seabios-1.9.1-41.43.3
    • qemu-sgabios-8-41.43.3
    • qemu-vgabios-1.9.1-41.43.3

References: