-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2019:2866-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2866 Issue date: 2019-09-23 CVE Names: CVE-2019-14835 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.5 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 EUS (v. 7.5) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.5) - ppc64, ppc64le, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835) 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1750727 - CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.5): Source: kernel-3.10.0-862.41.2.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-862.41.2.el7.noarch.rpm kernel-doc-3.10.0-862.41.2.el7.noarch.rpm x86_64: kernel-3.10.0-862.41.2.el7.x86_64.rpm kernel-debug-3.10.0-862.41.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.41.2.el7.x86_64.rpm kernel-devel-3.10.0-862.41.2.el7.x86_64.rpm kernel-headers-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-862.41.2.el7.x86_64.rpm perf-3.10.0-862.41.2.el7.x86_64.rpm perf-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm python-perf-3.10.0-862.41.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5): x86_64: kernel-debug-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-862.41.2.el7.x86_64.rpm perf-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.5): Source: kernel-3.10.0-862.41.2.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-862.41.2.el7.noarch.rpm kernel-doc-3.10.0-862.41.2.el7.noarch.rpm ppc64: kernel-3.10.0-862.41.2.el7.ppc64.rpm kernel-bootwrapper-3.10.0-862.41.2.el7.ppc64.rpm kernel-debug-3.10.0-862.41.2.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm kernel-debug-devel-3.10.0-862.41.2.el7.ppc64.rpm kernel-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-862.41.2.el7.ppc64.rpm kernel-devel-3.10.0-862.41.2.el7.ppc64.rpm kernel-headers-3.10.0-862.41.2.el7.ppc64.rpm kernel-tools-3.10.0-862.41.2.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm kernel-tools-libs-3.10.0-862.41.2.el7.ppc64.rpm perf-3.10.0-862.41.2.el7.ppc64.rpm perf-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm python-perf-3.10.0-862.41.2.el7.ppc64.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm ppc64le: kernel-3.10.0-862.41.2.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-862.41.2.el7.ppc64le.rpm kernel-debug-3.10.0-862.41.2.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm kernel-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-862.41.2.el7.ppc64le.rpm kernel-devel-3.10.0-862.41.2.el7.ppc64le.rpm kernel-headers-3.10.0-862.41.2.el7.ppc64le.rpm kernel-tools-3.10.0-862.41.2.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm kernel-tools-libs-3.10.0-862.41.2.el7.ppc64le.rpm perf-3.10.0-862.41.2.el7.ppc64le.rpm perf-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm python-perf-3.10.0-862.41.2.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm s390x: kernel-3.10.0-862.41.2.el7.s390x.rpm kernel-debug-3.10.0-862.41.2.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-862.41.2.el7.s390x.rpm kernel-debug-devel-3.10.0-862.41.2.el7.s390x.rpm kernel-debuginfo-3.10.0-862.41.2.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-862.41.2.el7.s390x.rpm kernel-devel-3.10.0-862.41.2.el7.s390x.rpm kernel-headers-3.10.0-862.41.2.el7.s390x.rpm kernel-kdump-3.10.0-862.41.2.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-862.41.2.el7.s390x.rpm kernel-kdump-devel-3.10.0-862.41.2.el7.s390x.rpm perf-3.10.0-862.41.2.el7.s390x.rpm perf-debuginfo-3.10.0-862.41.2.el7.s390x.rpm python-perf-3.10.0-862.41.2.el7.s390x.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.s390x.rpm x86_64: kernel-3.10.0-862.41.2.el7.x86_64.rpm kernel-debug-3.10.0-862.41.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.41.2.el7.x86_64.rpm kernel-devel-3.10.0-862.41.2.el7.x86_64.rpm kernel-headers-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-862.41.2.el7.x86_64.rpm perf-3.10.0-862.41.2.el7.x86_64.rpm perf-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm python-perf-3.10.0-862.41.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.5): ppc64: kernel-debug-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm kernel-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-862.41.2.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-862.41.2.el7.ppc64.rpm perf-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.ppc64.rpm ppc64le: kernel-debug-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm kernel-debug-devel-3.10.0-862.41.2.el7.ppc64le.rpm kernel-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-862.41.2.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-862.41.2.el7.ppc64le.rpm perf-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-862.41.2.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-862.41.2.el7.x86_64.rpm perf-debuginfo-3.10.0-862.41.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.41.2.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-2019-14835 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/kernel-vhost 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 iQIVAwUBXYiswNzjgjWX9erEAQhd1g//WDRHc/Prfvv6JNbmMdvxJvpXZx3Wc535 /AQUarXoBalyktM8ucRBOg28X4Eq7Y8WF9jbdoyp8iIrirZQdA7+4yEI6O6GnY2m M3sx6Kw9jbNFxP72zUxOK6hMuR8pimz0RWIdc8vQgfA3UuTyjjfvHjjr361FCRHF bjRgMl4sOuMbwrxs/h6NgeKVLUw5EoHTrJ6Hc8Vv5wIjyir1bSMH0aikAirkoZ0Y WtR3Z7lvODMcY4wKXecyVc/xslg1ioZhS9gGsG+TJ2fUMw7sZr5ERccc+1UWGFUa 2knyaFEQUSEYweDEsYm3zR3G75rNljzX8VZaEN/ShQwIA46k8J/Z7Wdy7DC6e66/ FUOKdD8MEjOieoDLfXZpOlBJ1UWBCC8/HYuP7ujFpiCvN7zFBd/HYAIUnhC+y5wg XHTc05QJbalfHAntTQRzlwS8Uc746PjBlykrWETVFwyVu3u1cfxbSYsP4TA/6yvE AUK1uea0hbg6RgaceZfyIV8YIaaJB5fmS4Ula4p4ppBf5HuF+L0eRl5zYzhA0Ryl NSNr5YeIrmCVr6UjEBNZlClSOwi4RN2pQ1VmAcbrsACYuOcKVD1PtoCH087ISIjP Lej+FZxY423yc9s1/2RxoVIgYwInTzttvauDR8ws4bDmxbPzWrlpT7ciee5kdSQr jZmQ2x5ylP4=z5bF -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce