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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2324 qemu-kvm security update 8 July 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: qemu-kvm Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-8608 Reference: ESB-2020.2197 ESB-2020.2086 ESB-2020.1904 ESB-2020.1262 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2844 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: qemu-kvm security update Advisory ID: RHSA-2020:2844-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2844 Issue date: 2020-07-07 CVE Names: CVE-2020-8608 ===================================================================== 1. Summary: An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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: Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.6) - x86_64 3. Description: Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix(es): * QEMU: Slirp: potential OOB access due to unsafe snprintf() usages (CVE-2020-8608) 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/11258 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/): 1798453 - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages 6. Package List: Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6): Source: qemu-kvm-1.5.3-160.el7_6.7.src.rpm x86_64: qemu-img-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-common-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-tools-1.5.3-160.el7_6.7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.6): Source: qemu-kvm-1.5.3-160.el7_6.7.src.rpm x86_64: qemu-img-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-common-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-160.el7_6.7.x86_64.rpm qemu-kvm-tools-1.5.3-160.el7_6.7.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-2020-8608 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXwRND9zjgjWX9erEAQiXUA//c4TgUDNd4M0pbGBGmriEOvUg8RUMeYvY Vcuc8v92E9M8BGAiCCR8y3+QqtzGZienNB/SlzYRNsOg3z72Vxta5NQYr0rqR/rm xVeEYgtiI83r0VT4mtDdh23B8SNCFJzkLR+iYC0V2LuskzjHgjbxL6JD1cRfiFBN r0N53cHMroSHMPOmJNBNFKswZF96TeUnELXQh4nT5ImwmFjdq0afh6bCvpUeTGJI phH40Vyvs5nJCJp+ZXONQVpA4I5tLjzXZtgapLL5v2TMnCIp+eqPBLGVAi6lmNRC wCeodnIR5AHmFqgrK6TzQuHgMMADz4F0AdXVsJGHuSH62JkL4mymsfKKxiCewnmk NYwaON1XubqEyhS0tB2Wt1XpaCZncgPrYNcuRQp9apHxS68gOjJVUXrcMyYrHjAe 83samOOj2oTSLLqho3NESaI6Xd/UKL99ol+pMBXeX+UJeiYwpPV/yrMneIT/JFsL V0Ply6J1nIq30ubGcwxXBb1sI/rZ9aLWPa/wnZBY4w5mcjyW30rXU9NFd5ykBp8J /KWW6XNHNzIwSlGk5yPVNn1QxKvDiuVBmaRaEUtaLSjtVmUIc3bV3HjyvbYC8eSN UlA2Q3AfCg+o2WDJw2j7h5NphxwYyZ7ANZAsgJpHPI1pruSifZwb0ThUj7FV7QkC n3/IetX4Hao= =utz7 - -----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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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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