Red Hat Security Advisory: qemu-kvm security update
Affects Red Hat qemu-kvmSource GCVE Database
Mentioned vulnerabilities
Rated by Threat Radar
Data as of 14 Nov 2026, 17:46 UTC
What to do
AI-suggested
The advisory indicates that this is the qemu-kvm side of the CVE-2017-5715 mitigation. While no explicit patch links or fixed versions are provided in the input data, Red Hat has issued a security update addressing this issue. Users should apply the official Red Hat security updates for qemu-kvm to mitigate this vulnerability. Patch status is not explicitly confirmed in the provided data; therefore, check Red Hat's official advisories for current remediation guidance.
Description
This advisory addresses a security issue in the qemu-kvm package related to the speculative execution vulnerabilities known as CVE-2017-5715 (branch target injection). The flaw allows an unprivileged attacker to potentially read privileged memory by exploiting speculative execution and cache side-channel attacks crossing syscall and guest/host boundaries. This is part of the broader Spectre class of vulnerabilities affecting many modern microprocessors. The advisory specifically covers the qemu-kvm user-space component mitigation for this issue.
References
- access.redhat.com/errata/RHSA-2018:0107 (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/security/cve/CVE-2017-5715 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=1519780 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_0107.json (opens in a new tab)