RHSA-2018:0816 — Security Advisory

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. 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.

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

Security Fix(es):

• Qemu: vga: OOB read access during display update (CVE-2017-13672)

• Qemu: Slirp: use-after-free when sending response (CVE-2017-13711)

• Qemu: memory exhaustion through framebuffer update request message in VNC server (CVE-2017-15124)

• Qemu: I/O: potential memory exhaustion via websock connection to VNC (CVE-2017-15268)

• Qemu: Out-of-bounds read in vga_draw_text routine (CVE-2018-5683)

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

Red Hat would like to thank David Buchanan for reporting CVE-2017-13672; Wjjzhang (Tencent.com) for reporting CVE-2017-13711; and Jiang Xin and Lin ZheCheng for reporting CVE-2018-5683. The CVE-2017-15124 issue was discovered by Daniel Berrange (Red Hat).

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes linked from the References section.