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

This security advisory addresses a vulnerability in the qemu-kvm-rhev packages used in Red Hat environments. The issue relates to the speculative execution feature in modern microprocessors, specifically the branch target injection variant (CVE-2017-5715). An unprivileged attacker could exploit this flaw to read privileged memory across syscall and guest/host boundaries via targeted cache side-channel attacks. This advisory covers the qemu-kvm-rhev component's mitigation of this vulnerability.

• access.redhat.com/errata/RHSA-2018:0058 (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=1525502 (opens in a new tab)
• security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_0058.json (opens in a new tab)

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