RHSA-2019:3742 - Security Advisory

Topic

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 14.0 (Rocky).

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.

Security Fix(es):

• QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378)
• QEMU: qxl: null pointer dereference while releasing spice resources (CVE-2019-12155)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.

Affected Products

• Red Hat OpenStack 14 x86_64
• Red Hat OpenStack for IBM Power 14 ppc64le

Fixes

• BZ - 1712670 - CVE-2019-12155 QEMU: qxl: null pointer dereference while releasing spice resources
• BZ - 1734745 - CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly

CVEs

• CVE-2019-12155
• CVE-2019-14378

References

• https://access.redhat.com/security/updates/classification/#important