-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Low: qemu-kvm security, bug fix, and enhancement update Advisory ID: RHSA-2019:2078-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2078 Issue date: 2019-08-06 CVE Names: CVE-2019-9824 ==================================================================== 1. Summary: An update for qemu-kvm is now available for Red Hat Enterprise Linux 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: Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - x86_64 Red Hat Enterprise Linux Workstation (v. 7) - 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: information leakage in tcp_emu() due to uninitialized stack variables (CVE-2019-9824) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from 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/): 1654627 - Qemu: hw: bt: keep bt/* objects from building [rhel-7.7] 1658407 - mode="host-model" VMs include broken "arch-facilities" flag name [qemu-kvm] 1659229 - Ballooning is incompatible with vfio assigned devices, but not prevented 1678515 - CVE-2019-9824 QEMU: Slirp: information leakage in tcp_emu() due to uninitialized stack variables 1686253 - Bitmap merge: Segment fault when merge with a not existed src_name in transaction mode 1709495 - Change CPUID[0x40000000].EAX from 0 to KVM_CPUID_FE...ATURES (0x40000001) 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.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-2019-9824 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index 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 iQIVAwUBXUl4Y9zjgjWX9erEAQh0WQ//VJCt2bcUyl7i74kld+Dax5znWHb5TsIF PrWIlAapx5Cz/dGI/0wdRj0J3H5eYjD3ssyO+hpnwkZJ2A7u0n3s4bUYlnrFTT+4 DRRPRVjpbP87gIdngjzeC77E8VstrTx8MoqyEmm/RU/Ti4aY7rnPj3c6k/txyqDP 4ygSdaJubd3GM89Y9YNGU9abZr76zpoX4JFXnNbURbWXpssZNbp9kBxENZI775pU GweiiFdGPGD4Td8K+wBB9JdzFph+T532n8daNX+UqKJ2r6j6p+wKDRIh9Py/CMWG RblApiEgYpXwrKndJBvRKVhNZte+orIGbNWOOyOWL2d4qvWkd1HewI2s/VsWPDxr Ep2WPEGDO3nkXmFoCblEgbZd2HDsR/vUztq1t4UQWc7dumsXRsRpQK27PHZPaZ/j qLQhSRJyoyiCaraSi3+paa4UilyTyTwd1tBQR18eVII0LLibYO9lFeeffvzjqT1y yHDvo8+vHi7rMvvAFtX6MvI8Vi3Aq3vxlyv3KvO1QJiTXVFTD9DncjwwSoTOaLtc +XpTQ87emuJqyL2h5R2ddeGM97IwIPHZ1MME6qC9BmPWsJpUdD9aF4Bc5b+Y1u5G no0AV1mpulX7GM4nUvdEvLSSUwQEaGAJ8uJL4BNkWkIhMtBw6pIVDJWkZun6UoC3 f3md+cffKkY=Yj0E -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce