-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: qemu-kvm security update Advisory ID: RHSA-2019:2892-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2892 Issue date: 2019-09-24 CVE Names: CVE-2018-10839 CVE-2018-11806 CVE-2018-17962 CVE-2019-6778 CVE-2019-12155 ===================================================================== 1. Summary: An update for qemu-kvm is now available for Red Hat Enterprise Linux 6. 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 Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, 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: heap buffer overflow while reassembling fragmented datagrams (CVE-2018-11806) * QEMU: slirp: heap buffer overflow in tcp_emu() (CVE-2019-6778) * QEMU: ne2000: integer overflow leads to buffer overflow issue (CVE-2018-10839) * QEMU: pcnet: integer overflow leads to buffer overflow (CVE-2018-17962) * QEMU: qxl: null pointer dereference while releasing spice resources (CVE-2019-12155) 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/): 1581013 - CVE-2018-10839 QEMU: ne2000: integer overflow leads to buffer overflow issue 1586245 - CVE-2018-11806 QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams 1636773 - CVE-2018-17962 QEMU: pcnet: integer overflow leads to buffer overflow 1664205 - CVE-2019-6778 QEMU: slirp: heap buffer overflow in tcp_emu() 1712670 - CVE-2019-12155 QEMU: qxl: null pointer dereference while releasing spice resources 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: qemu-kvm-0.12.1.2-2.506.el6_10.5.src.rpm i386: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.i686.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.i686.rpm x86_64: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-img-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.506.el6_10.5.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: qemu-kvm-0.12.1.2-2.506.el6_10.5.src.rpm x86_64: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-img-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.506.el6_10.5.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: qemu-kvm-0.12.1.2-2.506.el6_10.5.src.rpm i386: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.i686.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.i686.rpm ppc64: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.ppc64.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.ppc64.rpm x86_64: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-img-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.506.el6_10.5.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: qemu-kvm-0.12.1.2-2.506.el6_10.5.src.rpm i386: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.i686.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.i686.rpm x86_64: qemu-guest-agent-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-img-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.506.el6_10.5.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.506.el6_10.5.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-2018-10839 https://access.redhat.com/security/cve/CVE-2018-11806 https://access.redhat.com/security/cve/CVE-2018-17962 https://access.redhat.com/security/cve/CVE-2019-6778 https://access.redhat.com/security/cve/CVE-2019-12155 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 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXYobE9zjgjWX9erEAQjyUQ//S3ZWWbWtQz3+0mLlgcMAYlLK7TQyuuN6 0H8ulsRm+effRRcG2apeKl6b4gtCTRvCXNTAjcSQfyqGcXTgPSx/7WwOeghR2j6c 4aonHjLzZ4l9M1TcgX8xMJPNtjrGi24KTQNpnyVTtJd1Eki1ZM5d5uA5YoogdAwc 0rRCB6CcYkhGutKbkJygXG+E6zkdYl231cLEPtlV/Ri2n++Q7ITV2+FrvXcpk8o3 mU+XawV88gAA4cKEdoaETlrR+QlFLDEYU0YJQIFqyTeb8gzruVdzhEmWYNkSS/fm uXpjB/4j/7jKbblKrYZhMJpBNvX4J3lh+1acHFP49tkWyn6sfk6Obm13SGQD5nuJ BAqXUD0EbLyiWievfPqwu3Ct8UXv5BsIny80jhdND9cZLcpiBdLmBTDdfOaGBy6K uzLU3VUC7p8lzBX3FeGP3MGB72JCqzHTQ0jjpWDzoALQP5Ge5rqQOQrG+YKKuz6q 5wo7/IphVR/f7zkbe4IFeyOHcQNAP6YdTprDhyxqZokbWFEkfxE/WnF3FFlEA+8+ VCpFFtLsPIydlplWIdtN4XLgbu4vALAuf0iW4QLBxtmf2qZD04TwG1Nrpw5favGi EpiycW1qBrsac0w68fzfoIlNQNtBFqagBLfgrGVY+dckPd8KWyeC2iNP4GfJtCVD d5VML3FfmoE= =/I6v -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce