-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2019:2827-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2827 Issue date: 2019-09-20 CVE Names: CVE-2019-14835 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8. 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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, 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 BaseOS (v. 8): Source: kernel-4.18.0-80.11.2.el8_0.src.rpm aarch64: bpftool-4.18.0-80.11.2.el8_0.aarch64.rpm bpftool-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-core-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-cross-headers-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debug-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debug-core-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debug-devel-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debug-modules-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-devel-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-headers-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-modules-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-modules-extra-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-tools-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-tools-libs-4.18.0-80.11.2.el8_0.aarch64.rpm perf-4.18.0-80.11.2.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm python3-perf-4.18.0-80.11.2.el8_0.aarch64.rpm python3-perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-80.11.2.el8_0.noarch.rpm kernel-doc-4.18.0-80.11.2.el8_0.noarch.rpm ppc64le: bpftool-4.18.0-80.11.2.el8_0.ppc64le.rpm bpftool-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-core-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-cross-headers-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debug-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debug-core-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debug-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debug-modules-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-headers-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-modules-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-modules-extra-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-tools-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-tools-libs-4.18.0-80.11.2.el8_0.ppc64le.rpm perf-4.18.0-80.11.2.el8_0.ppc64le.rpm perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm python3-perf-4.18.0-80.11.2.el8_0.ppc64le.rpm python3-perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm s390x: bpftool-4.18.0-80.11.2.el8_0.s390x.rpm bpftool-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm kernel-4.18.0-80.11.2.el8_0.s390x.rpm kernel-core-4.18.0-80.11.2.el8_0.s390x.rpm kernel-cross-headers-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debug-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debug-core-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debug-devel-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debug-modules-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-80.11.2.el8_0.s390x.rpm kernel-devel-4.18.0-80.11.2.el8_0.s390x.rpm kernel-headers-4.18.0-80.11.2.el8_0.s390x.rpm kernel-modules-4.18.0-80.11.2.el8_0.s390x.rpm kernel-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm kernel-tools-4.18.0-80.11.2.el8_0.s390x.rpm kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm kernel-zfcpdump-4.18.0-80.11.2.el8_0.s390x.rpm kernel-zfcpdump-core-4.18.0-80.11.2.el8_0.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm kernel-zfcpdump-devel-4.18.0-80.11.2.el8_0.s390x.rpm kernel-zfcpdump-modules-4.18.0-80.11.2.el8_0.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm perf-4.18.0-80.11.2.el8_0.s390x.rpm perf-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm python3-perf-4.18.0-80.11.2.el8_0.s390x.rpm python3-perf-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm x86_64: bpftool-4.18.0-80.11.2.el8_0.x86_64.rpm bpftool-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-core-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-cross-headers-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debug-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debug-core-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debug-devel-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debug-modules-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-devel-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-headers-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-modules-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-modules-extra-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-tools-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-tools-libs-4.18.0-80.11.2.el8_0.x86_64.rpm perf-4.18.0-80.11.2.el8_0.x86_64.rpm perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm python3-perf-4.18.0-80.11.2.el8_0.x86_64.rpm python3-perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: bpftool-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm python3-perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm python3-perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.x86_64.rpm perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm python3-perf-debuginfo-4.18.0-80.11.2.el8_0.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 iQIVAwUBXYRyKtzjgjWX9erEAQhWKA/+O7d0A+wKr2L02A769aZ4hhvThGV4FiAb qJkdICzjo0zfO+icMwh/Lg4UjMAbGvVhdEL6/WfU+xACdg4SOVgWhxTGVfmwEuF5 Rs6MGTtFLYKnZbkqNSUw2EoEzi4wLdjiwyGxcA+9rdRIwhl/Lb2HAfUyVIdGZhIh Oh280wV8DlnX7rvyz6TSuE0u2K6IBvThN+j6CWvpCisRL5MuVRfCiOFVVxiFa1j+ uPDYDhxnPFSEtHDnr7C0Fr59FMa1NMT0fDPBMRIPCDJ/MnJeo02FA8DkachQbzUA qvbwzk8dyaq0v2mSDNaH3sN8dKQ5vMKCelOMa3c5FOIUoJhxkWLkEYD3RtGr6kxX VoiP6NG63I3CwnxYjddZGn7G0adseSuwedlZ/B4V1chTLbPdopoM+pxrJQHpY7ga 2aJYXDrFwTbU8HliG+LkgKvLCtI3ptf6qHCb070U5hw+XOlf/nSpki8Pa7BM3lp/ muWJ3TSyojpHYaJV1T2SqM1r2lFnFMVURNmFD49aFZE02ALN87g66TLMwtWitNX9 oc/vPhaJ9gMLHuJrwYZ48oK9pGAByD700yAbKgYaDKkr0O7AO+V9s2iVqW35yhGb KFi2pdKuPzdo8fNxZgJNyg+TzevVzIeTe5Q2lMi5Org3xHPSFJ6mRDzCEtTYLHXw Fqv6jGsNmLA=HURW -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce