RHSA-2021:0459MediumCVSS 6.5

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

Published
February 9, 2021
Last Modified
November 5, 2026

🔗 CVE IDs covered (2)

CVE-2020-1983 →CVE-2020-16092 →

📋 Description

CVE-2020-1983 — QEMU: slirp: use-after-free in ip_reass() function in ip_input.c CVE-2020-16092 — QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c

🎯 Affected products19

  • RHV-M 4.3
  • Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-img-rhev-10:2.12.0-48.el7_9.2.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-img-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of RHV-M 4.3
  • qemu-img-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-common-rhev-10:2.12.0-48.el7_9.2.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-common-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of RHV-M 4.3
  • qemu-kvm-common-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-rhev-10:2.12.0-48.el7_9.2.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-rhev-10:2.12.0-48.el7_9.2.src as a component of RHV-M 4.3
  • qemu-kvm-rhev-10:2.12.0-48.el7_9.2.src as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of RHV-M 4.3
  • qemu-kvm-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-rhev-debuginfo-10:2.12.0-48.el7_9.2.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-rhev-debuginfo-10:2.12.0-48.el7_9.2.x86_64 as a component of RHV-M 4.3
  • qemu-kvm-rhev-debuginfo-10:2.12.0-48.el7_9.2.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-tools-rhev-10:2.12.0-48.el7_9.2.ppc64le as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
  • qemu-kvm-tools-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of RHV-M 4.3
  • qemu-kvm-tools-rhev-10:2.12.0-48.el7_9.2.x86_64 as a component of Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 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.

🔗 References (5)