Red Hat Security Advisory: qemu-kvm-rhev security update

This advisory addresses a security issue in the qemu-kvm-rhev package, which provides user-space components for running KVM virtual machines on Red Hat systems. The vulnerability relates to speculative execution side-channel attacks known as CVE-2017-5715 (branch target injection). An unprivileged attacker could exploit this flaw to read privileged memory across syscall and guest/host boundaries by leveraging cache side-channel techniques. This update is part of the mitigation efforts for this industry-wide CPU vulnerability.

• access.redhat.com/errata/RHSA-2018:0056 (opens in a new tab)
• access.redhat.com/security/updates/classification/ (opens in a new tab)
• access.redhat.com/security/vulnerabilities/speculativeexecution (opens in a new tab)
• access.redhat.com/solutions/3307851 (opens in a new tab)
• access.redhat.com/security/cve/CVE-2017-5715 (opens in a new tab)
• bugzilla.redhat.com/show_bug.cgi?id=1519780 (opens in a new tab)
• bugzilla.redhat.com/show_bug.cgi?id=1525505 (opens in a new tab)
• security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_0056.json (opens in a new tab)

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