SUSE-SU-2019:0948-1

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SUSE-SU-2019:0948-1

Summary: Security update for libvirt

Details: This update for libvirt fixes the following issues: Security issue fixed: - CVE-2019-3840: Fixed a null pointer dereference vulnerability in virJSONValueObjectHasKey function which could have resulted in a remote denial of service via the guest agent (bsc#1127458). - CVE-2019-3886: Fixed an information leak which allowed to retrieve the guest hostname under readonly mode (bsc#1131595). Other issues addressed: - libxl: support Xen's max_grant_frames setting with maxGrantFrames attribute on the xenbus controller (bsc#1126325). - conf: added new 'xenbus' controller type - util: skip RDMA detection for non-PCI network devices (bsc#1112182). - qemu: don't use CAP_DAC_OVERRIDE capability if non-root (bsc#1125665). - qemu: fix issues related to restricted permissions on /dev/sev(bsc#1102604). - libxl: save current memory value after successful balloon (bsc#1120813). - libxl: Add support for soft reset. (bsc#1081516)

References: https://www.suse.com/support/update/announcement/2019/suse-su-20190948-1/, https://bugzilla.suse.com/1081516, https://bugzilla.suse.com/1102604, https://bugzilla.suse.com/1112182, https://bugzilla.suse.com/1120813, https://bugzilla.suse.com/1125665, https://bugzilla.suse.com/1126325, https://bugzilla.suse.com/1127458, https://bugzilla.suse.com/1131595, https://www.suse.com/security/cve/CVE-2019-3840, https://www.suse.com/security/cve/CVE-2019-3886