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Red Hat Virtualization Update: RHSA-2020-2342-01 Low Impact Bug Fix

An update for qemu-kvm-rhev is now available for Red Hat Virtualization for Red Hat Virtualization Host 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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: qemu-kvm-rhev bug fix update Advisory ID: RHSA-2020:2342-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2020:2342 Issue date: 2020-06-01 CVE Names: CVE-2019-14378 CVE-2020-7039 CVE-2020-8608 ==================================================================== 1. Summary: An update for qemu-kvm-rhev is now available for Red Hat Virtualization for Red Hat Virtualization Host 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. 2. Relevant releases/architectures: RHV-M 4.2 - x86_64 3. Description: KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix(es): * CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages * CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() * CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly This update fixes the following bug: * BZ 1804577 Backport: Passthrough host CPU microcode version to KVM guest if using CPU passthrough to RHEL 7.7/7.8 [rhel-7.6.z] Users of qemu-kvm are advised to upgrade to these updated packages. After installing this update, shutdown all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891 5. Bugs fixed (https://bugzilla.redhat.com/): 1734745 - CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly 1791551 - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() 1798453 - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages 1804577 - Backport: Passthrough host CPU microcode version to KVM guest if using CPU passthrough to RHEL 7.7/7.8 [rhel-7.6.z] 6. Package List: RHV-M 4.2: Source: qemu-kvm-rhev-2.12.0-18.el7_6.11.src.rpm x86_64: qemu-img-rhev-2.12.0-18.el7_6.11.x86_64.rpm qemu-kvm-common-rhev-2.12.0-18.el7_6.11.x86_64.rpm qemu-kvm-rhev-2.12.0-18.el7_6.11.x86_64.rpm qemu-kvm-rhev-debuginfo-2.12.0-18.el7_6.11.x86_64.rpm qemu-kvm-tools-rhev-2.12.0-18.el7_6.11.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2019-14378 https://access.redhat.com/security/cve/CVE-2020-7039 https://access.redhat.com/security/cve/CVE-2020-8608 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBXtSjOtzjgjWX9erEAQgLpxAAkAenA39omEXwW3RuVFRjSEGEpKuddFYC sK4KCE5oFZ+xpFaRLFmA5/RgzVq3aAVAj5mX6YSOc3P4vjrd+SruAKA24yEYwoRy 83fMk8aEF/z2KJBuqgzBf51UG67Ek0jeKUeH61XtTFnwMiivGPv5CQNVLjJBuOfK OMg3BPgnD7wLrYP8LniKBqKXcdgUXwyVYytugpnFngSmloKBk3d051LRXrZboMfR EdB9Qd+sr7YxO9pt4gIpbgnfUx1Aj2fnmD163hC2VWQCPd+rMXOvzI7QwKu2+Hp9 jXaS9+XALMKUDtEp5EnYQwaArUyUVORqJ5TJH5QQzk33I05Y4m3D07o+W3BuUZQk nt4lEm/De9b0TrMyu1pDbIvGJD3fWLtMvhHrEed5DcM0Zca9tJVBdzklvGYC3jLs w2MNsXajPXytNBc6Hi0C4uKuKdQyKmob0AgbMuJnLRrH7Kdo7fiIGGGzh06FH1wS IrjwYRPqJEdpXHtdzQZSybo464z+nTCPEVW8rZL61mj0W9t6nYOXSvqkG16brIhR IeX7nNh35SmVbfxtKxLa1KmzL/pcV5D1+y9r2SKbw1uA2UsBspkkvtn878Wg5yg1 RXRGgL8TdCSRigmrcHkjkbvji/cczIdJoGfMquvejJIyABtT7ySwu3oDHf/GJxw4 D4/683fW4zY=bcUm -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . A critical qemu-kvm-rhev upgrade for Red Hat Virtualization resolves multiple security vulnerabilities with minimal risk.. Red Hat, qemu-kvm, virtualization update. . Severity: Low. LinuxSecurity.com Team

Jun 01, 2020 •Low Red Hat