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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0447 qemu-kvm-rhev security update 10 February 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: qemu-kvm-rhev Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-16092 CVE-2020-1983 Reference: ESB-2021.0372 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:0459 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: qemu-kvm-rhev security update Advisory ID: RHSA-2021:0459-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2021:0459 Issue date: 2021-02-09 Keywords: Security CVE Names: CVE-2020-1983 CVE-2020-16092 ===================================================================== 1. Summary: An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 4.3 - x86_64 Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - ppc64le, 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): * QEMU: slirp: use-after-free in ip_reass() function in ip_input.c (CVE-2020-1983) * QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c (CVE-2020-16092) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: 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. 5. Bugs fixed (https://bugzilla.redhat.com/): 1829825 - CVE-2020-1983 QEMU: slirp: use-after-free in ip_reass() function in ip_input.c 1860283 - CVE-2020-16092 QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c 6. Package List: Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts: Source: qemu-kvm-rhev-2.12.0-48.el7_9.2.src.rpm ppc64le: qemu-img-rhev-2.12.0-48.el7_9.2.ppc64le.rpm qemu-kvm-common-rhev-2.12.0-48.el7_9.2.ppc64le.rpm qemu-kvm-rhev-2.12.0-48.el7_9.2.ppc64le.rpm qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.ppc64le.rpm qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.ppc64le.rpm x86_64: qemu-img-rhev-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-common-rhev-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-rhev-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.x86_64.rpm RHV-M 4.3: Source: qemu-kvm-rhev-2.12.0-48.el7_9.2.src.rpm x86_64: qemu-img-rhev-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-common-rhev-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-rhev-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.x86_64.rpm qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.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-2020-1983 https://access.redhat.com/security/cve/CVE-2020-16092 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYCKT8dzjgjWX9erEAQgP9Q/+OuEw7rFsOAyhy+pUzMu4M85D6gCb0R5Z PaIhWD9L8QfcIqUBTndQNralsRbXmPzGgzFml+6HZpn/OkL84YNr4N4ordFvk2c6 ag2Rv1lnD2qyHK5Rvh+FLHLq3kGqe/omQEv3juM387r2exig++zQ1dvOsytoYpEf 7KC+nDaQHJE+RORcDEkTGz0HG1F2dNtlIAXsfePa+mBEITeTL0FhMqHdkeuNFxcx VGmU1fu2cx5ZzrL9//DvfO5Bq5TaeqxgFcjs38h2N+iyJR1MDilTniDjebPhMmP4 aBXHi1kb7O5baylsbX6O9RXDzqPhM+KR8FtjS+TfoZ9bio5fHq1mlhPp8G716BWK 9CRquklSeYpzsV2VXgn6gLtMXROmfIA+4NXBQOQr0CUkq8ftammfFHvL10HW967M er6HyJjtPA4wNIfjb+0pXKvFQBzr3ObfBi3af8n5DxT6f8HyYkIAfX/NWogLNd4L mLyF9lVdgzGfMHciW6wRT8QUu9e9oP6FlsJEoWa2eFic490O5/0V3+51W4omUc4X 6wztwOaBQPR5xqzFr+namyUmOuVz6nF7DeVTNBxXpZ/L6aGRG4+qOYzvGqQZ6SaC 6DK1rhYa3LHQhtQCWygpfNYdZc3+lHz+dlu2YhCCHH8zyX820ImgTSdxrDxOYK9R UEWBIs1zaMY= =mDjR - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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